{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T09:40:42Z","timestamp":1777369242936,"version":"3.51.4"},"reference-count":43,"publisher":"Termedia Sp. z.o.o.","issue":"1","license":[{"start":{"date-parts":[[2019,6,1]],"date-time":"2019-06-01T00:00:00Z","timestamp":1559347200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,7,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The objective of the study was to examine the effects of the relative age effect (RAE) and predicted maturity status on body size and repeated sprint ability (RSA: 7 x 34.2 m \/ 25 s interval) in youth soccer. The sample was composed of 197 male players aged 13-14 years. Body mass, stature, and sitting height were measured, RSA was assessed in the field, and age at peak height velocity (APHV) was predicted. Factorial ANOVA tested the independent and combined effects of RAE given by birth quarters (BQs) and maturity status on dependent variables. Players born in the second birth quarter (BQ2) were significantly taller (F = 4.28, p &lt; 0.01) than their peers born in BQ1 and BQ3. Additionally, players born in BQ2 performed better than players born in BQ4 in RSA total time and ideal time (F ranged between 4.81 and 4.90, p &lt; 0.01), while players born in BQ1 exhibited a lower RSA fatigue index compared to those born in BQ4 (F = 2.90, p &lt; 0.05). The interaction of the BQ and maturity status was a significant source of inter-individual variation for body size (F ranged between 64.92 and 105.57; p &lt; 0.01) and RSA output (F ranged between 4.082 and 6.76; p &lt; 0.05). In summary, being relatively older and, simultaneously, advanced in maturity status corresponds to a substantial advantage in characteristics that are related to soccer-specific fitness.<\/jats:p>","DOI":"10.2478\/hukin-2018-0090","type":"journal-article","created":{"date-parts":[[2019,7,10]],"date-time":"2019-07-10T05:32:07Z","timestamp":1562736727000},"page":"209-221","source":"Crossref","is-referenced-by-count":24,"title":["Repeated Sprint Ability in Youth Soccer Players: Independent and Combined Effects of Relative Age and Biological Maturity"],"prefix":"10.5114","volume":"67","author":[{"given":"Jo\u00e3o P.","family":"Duarte","sequence":"first","affiliation":[{"name":"Faculty of Sport Sciences and Physical Education, University of Coimbra , Coimbra , Portugal"},{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"},{"name":"Portuguese Foundation for Science and Technology (SFRH\/BD\/101083\/2014) , Lisbon , Portugal"}]},{"given":"Manuel J.","family":"Coelho-e-Silva","sequence":"additional","affiliation":[{"name":"Faculty of Sport Sciences and Physical Education, University of Coimbra , Coimbra , Portugal"},{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"}]},{"given":"Daniela","family":"Costa","sequence":"additional","affiliation":[{"name":"Faculty of Sport Sciences and Physical Education, University of Coimbra , Coimbra , Portugal"},{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"}]},{"given":"Diogo","family":"Martinho","sequence":"additional","affiliation":[{"name":"Faculty of Sport Sciences and Physical Education, University of Coimbra , Coimbra , Portugal"},{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"},{"name":"Portuguese Foundation for Science and Technology (SFRH\/BD\/121441\/2016) , Lisbon , Portugal"}]},{"given":"Leonardo G. O.","family":"Luz","sequence":"additional","affiliation":[{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"},{"name":"LACAPS, Federal University of Alagoas (UFAL) , Arapiraca , Brazil"}]},{"given":"Ricardo","family":"Rebelo-Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"}]},{"given":"Jo\u00e3o","family":"Valente-dos-Santos","sequence":"additional","affiliation":[{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"},{"name":"Portuguese Foundation for Science and Technology (SFRH\/BPD\/100470\/2014) , Lisbon , Portugal"},{"name":"Institute for Biomedical Imaging and Life Sciences (IBILI), University of Coimbra , Coimbra , Portugal"},{"name":"Faculty of Physical Education and Sport, Lus\u00f3fona University of Humanities and Technologies , Lisbon , Portugal"}]},{"given":"Ant\u00f3nio","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Faculty of Sport Sciences and Physical Education, University of Coimbra , Coimbra , Portugal"},{"name":"CIDAF (uid\/dtp\/04213\/2019), University of Coimbra , Coimbra , Portugal"}]},{"given":"Andr\u00e9","family":"Seabra","sequence":"additional","affiliation":[{"name":"CIAFEL, University of Porto , Porto , Portugal"}]},{"given":"Robert M.","family":"Malina","sequence":"additional","affiliation":[{"name":"Department of Kinesiology and Health Education, University of Texas , Austin , USA"}]}],"member":"3061","published-online":{"date-parts":[[2019,7,5]]},"reference":[{"key":"2023012005144206211_j_hukin-2018-0090_ref_001_w2aab3b7c17b1b6b1ab1b6b1Aa","unstructured":"Bangsbo J, Norregaard L, Thorso F. Activity profile of competition soccer. Can J Sport Sci, 1991; 16(2): 110-116"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_002_w2aab3b7c17b1b6b1ab1b6b2Aa","doi-asserted-by":"crossref","unstructured":"Bell W. Body size and shape: A longitudinal investigation of active and sedentary boys during adolescence. J Sports Sci, 1993; 11: 127-38","DOI":"10.1080\/02640419308729976"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_003_w2aab3b7c17b1b6b1ab1b6b3Aa","doi-asserted-by":"crossref","unstructured":"Bishop D, Spencer M, Duffield R, Lawrence S. The validity of a repeated sprint ability test. J Sci Med Sport 2001; 4(1): 19-29","DOI":"10.1016\/S1440-2440(01)80004-9"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_004_w2aab3b7c17b1b6b1ab1b6b4Aa","doi-asserted-by":"crossref","unstructured":"Bucheit M. Repeated-sprint performance in team sport players: associations with measures of aerobic fitness, metabolic control and locomotor function. Int J Sports Med, 2012; 33: 230-239","DOI":"10.1055\/s-0031-1291364"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_005_w2aab3b7c17b1b6b1ab1b6b5Aa","doi-asserted-by":"crossref","unstructured":"Buchheit M, Mendez-Villanueva A, Simpson BM, Bourdon PC. Repeated-sprint sequences during youth soccer matches. Int J Sports Med, 2010; 31(10): 709-716","DOI":"10.1055\/s-0030-1261897"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_006_w2aab3b7c17b1b6b1ab1b6b6Aa","doi-asserted-by":"crossref","unstructured":"Carling C. Analysis of physical activity profiles when running with the ball in a professional soccer team. J Sports Sci, 2010; 28(3): 319-326","DOI":"10.1080\/02640410903473851"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_007_w2aab3b7c17b1b6b1ab1b6b7Aa","doi-asserted-by":"crossref","unstructured":"Coelho-e-Silva MJ, Figueiredo AJ, Sim\u00f5es F, Seabra A, Natal A, Vaeyens R, Philippaerts R, Cumming SP, Malina RM. Discrimination of u-14 soccer players by level and position. Int J Sports Med, 2010; 31(11): 790-796","DOI":"10.1055\/s-0030-1263139"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_008_w2aab3b7c17b1b6b1ab1b6b8Aa","doi-asserted-by":"crossref","unstructured":"Deprez D, Coutts AJ, Fransen J, Deconinck F, Lenoir M, Vaeyens R, Philippaerts R. Relative age, biological maturation and anaerobic characteristics in elite youth soccer players. Int J Sports Med, 2013; 34(10): 897-903","DOI":"10.1055\/s-0032-1333262"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_009_w2aab3b7c17b1b6b1ab1b6b9Aa","doi-asserted-by":"crossref","unstructured":"Deprez D, Vaeyens R, Coutts AJ, Lenoir M, Philippaerts R. Relative age effect and Yo-Yo IR1 in youth soccer. Int J Sports Med, 2012; 33(12): 987-993","DOI":"10.1055\/s-0032-1311654"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_010_w2aab3b7c17b1b6b1ab1b6c10Aa","doi-asserted-by":"crossref","unstructured":"Deprez D, Valente-Dos-Santos J, Coelho-e-Silva MJ, Lenoir M, Philippaerts RM, Vaeyens R. Modeling developmental changes in yo-yo intermittent recovery test level 1 in elite pubertal soccer players. Int J Sports Physiol Perform, 2014; 9(6): 1006-1012","DOI":"10.1123\/ijspp.2013-0368"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_011_w2aab3b7c17b1b6b1ab1b6c11Aa","doi-asserted-by":"crossref","unstructured":"Figueiredo AJ, Goncalves CE, Coelho-e-Silva MJ, Malina RM. Characteristics of youth soccer players who drop out, persist or move up. J Sports Sci, 2009a; 27(9): 883-891","DOI":"10.1080\/02640410902946469"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_012_w2aab3b7c17b1b6b1ab1b6c12Aa","doi-asserted-by":"crossref","unstructured":"Figueiredo AJ, Goncalves CE, Coelho-e-Silva MJ, Malina RM. Youth soccer players, 11-14 years: maturity, size, function, skill and goal orientation. Ann Hum Biol, 2009b; 36(1): 60-73","DOI":"10.1080\/03014460802570584"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_013_w2aab3b7c17b1b6b1ab1b6c13Aa","doi-asserted-by":"crossref","unstructured":"Fragoso I, Massuca LM, Ferreira J. Effect of birth month on physical fitness of soccer players (Under-15) according to biological maturity. Int J Sports Med, 2015; 36(1): 16-21","DOI":"10.1055\/s-0034-1384548"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_014_w2aab3b7c17b1b6b1ab1b6c14Aa","unstructured":"Froberg K, Andersen B, Lammert O. Maximal oxygen uptake and respiratory functions during puberty in boy groups of different physical activity. In Frenkl R, Szmodis I, editors. Children and Exercise: Pediatric Work Physiology XV Budapest: National Institute for Health Promotion, 265-280; 1991"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_015_w2aab3b7c17b1b6b1ab1b6c15Aa","unstructured":"General Assembly of the World Medical Association. World Medical Association Declaration of Helsinki: ethical principles for medical research involving human subjects. J Am Coll Dent 2014; 81(3): 14-18"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_016_w2aab3b7c17b1b6b1ab1b6c16Aa","doi-asserted-by":"crossref","unstructured":"Gil SM, Badiola A, Bidaurrazaga-Letona I, Zabala-Lili J, Gravina L, Santos-Concejero J, Lekue JA, Granados C. Relationship between the relative age effect and anthropometry, maturity and performance in young soccer players. J Sports Sci, 2014; 32(5): 479-486","DOI":"10.1080\/02640414.2013.832355"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_017_w2aab3b7c17b1b6b1ab1b6c17Aa","doi-asserted-by":"crossref","unstructured":"Girard O, Mendez-Villanueva A, Bishop D. Repeated-sprint ability - part I: factors contributing to fatigue. Sports Med 2011; 41: 673-694","DOI":"10.2165\/11590550-000000000-00000"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_018_w2aab3b7c17b1b6b1ab1b6c18Aa","doi-asserted-by":"crossref","unstructured":"Helsen W, Baker J, Micheils S, Schorer J, Van Winckel J, Williams MA. The relative age effect in European professional soccer: Did ten years of research make any difference? J Sports Sci, 2012; 30(15): 1665-1671","DOI":"10.1080\/02640414.2012.721929"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_019_w2aab3b7c17b1b6b1ab1b6c19Aa","doi-asserted-by":"crossref","unstructured":"Helsen WF, Starkes JL, Van Winckel J. Effect of a change in selection year on success in male soccer players. Am J Hum Biol 2000; 12(6): 729-735","DOI":"10.1002\/1520-6300(200011\/12)12:6<729::AID-AJHB2>3.0.CO;2-7"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_020_w2aab3b7c17b1b6b1ab1b6c20Aa","doi-asserted-by":"crossref","unstructured":"Helsen WF, Starkes JL, van Winckel J. The influence of relative age on success and dropout in male soccer players. Am J Hum Biol 1998; 10: 791-798","DOI":"10.1002\/(SICI)1520-6300(1998)10:6<791::AID-AJHB10>3.0.CO;2-1"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_021_w2aab3b7c17b1b6b1ab1b6c21Aa","doi-asserted-by":"crossref","unstructured":"Hopkins WG, Marshall SW, Batterham AM, Hanin J. Progressive statistics for studies in sports medicine and exercise science. Med Sci Sports Exerc, 2009; 41(1): 3-13","DOI":"10.1249\/MSS.0b013e31818cb278"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_022_w2aab3b7c17b1b6b1ab1b6c22Aa","unstructured":"Horn RR, Okumura M. It\u2019s time to eliminate the relative age effect in American soccer. Soccer J, 2011; 56(2): 38-40"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_023_w2aab3b7c17b1b6b1ab1b6c23Aa","doi-asserted-by":"crossref","unstructured":"Kaplan T. Examination of repeated sprinting ability and fatigue index of soccer players according to their positions. J Strength Cond Res, 2010; 24(6): 1495-1501","DOI":"10.1519\/JSC.0b013e3181d8e8ed"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_024_w2aab3b7c17b1b6b1ab1b6c24Aa","doi-asserted-by":"crossref","unstructured":"Koziel SM, Malina RM. Modified maturity offset prediction equations: validation in independent longitudinal samples of boys and girls. Sports Med, 2018; 48: 221-236","DOI":"10.1007\/s40279-017-0750-y"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_025_w2aab3b7c17b1b6b1ab1b6c25Aa","unstructured":"Lohman TG, Roche AF, Martorell R. Anthropometric standardization reference manual Champaign, Illinois: Human Kinetics; 1988"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_026_w2aab3b7c17b1b6b1ab1b6c26Aa","doi-asserted-by":"crossref","unstructured":"Malina RM, Bouchard C, Bar-Or O. Growth, maturation, and physical activity Champaign, Illinois: Human Kinetics; 2004","DOI":"10.5040\/9781492596837"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_027_w2aab3b7c17b1b6b1ab1b6c27Aa","doi-asserted-by":"crossref","unstructured":"Malina RM, Choh AC, Czerwinski SA, Chumlea WC. Validation of Maturity Offset in the Fels Longitudinal Study. Pediatr Exerc Sci, 2016; 28(3): 439-455","DOI":"10.1123\/pes.2015-0090"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_028_w2aab3b7c17b1b6b1ab1b6c28Aa","doi-asserted-by":"crossref","unstructured":"Malina RM, Koziel SM. Validation of maturity offset in a longitudinal sample of Polish boys. J Sports Sci, 2014; 32(5): 424-437","DOI":"10.1080\/02640414.2013.828850"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_029_w2aab3b7c17b1b6b1ab1b6c29Aa","doi-asserted-by":"crossref","unstructured":"Malina RM, Pena Reyes ME, Eisenmann JC, Horta L, Rodrigues J, Miller R. Height, mass and skeletal maturity of elite Portuguese soccer players aged 11-16 years. J Sports Sci, 2000; 18(9): 685-693","DOI":"10.1080\/02640410050120069"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_030_w2aab3b7c17b1b6b1ab1b6c30Aa","doi-asserted-by":"crossref","unstructured":"Mirwald RL, Baxter-Jones, AD, Bailey DA, Beunen GP. An assessment of maturity from anthropometric measurements. Med Sci Sports Exerc, 2002; 34(4): 689-694","DOI":"10.1249\/00005768-200204000-00020"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_031_w2aab3b7c17b1b6b1ab1b6c31Aa","doi-asserted-by":"crossref","unstructured":"Moore SA, McKay HA, Macdonald H, Nettlefold L, Baxter-Jones ADG, Cameron N, Brasher PM. Enhancing a somatic maturity prediction model. Med Sci Sports Exerc 2015; 47: 1755-1764","DOI":"10.1249\/MSS.0000000000000588"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_032_w2aab3b7c17b1b6b1ab1b6c32Aa","doi-asserted-by":"crossref","unstructured":"Mujika I, Spencer M, Santisteban J, Goiriena JJ, Bishop D. Age-related differences in repeated-sprint ability in highly trained youth football players. J Sports Sci, 2009; 27(14): 1581-1590","DOI":"10.1080\/02640410903350281"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_033_w2aab3b7c17b1b6b1ab1b6c33Aa","unstructured":"M\u00fcller L, Gehmaier J, Gonaus C, Raschner C, M\u00fcller E. Maturity Status Strongly Influences the Relative Age Effect in International Elite Under-9 Soccer. J Sports Sci Med, 2018; 17: 216-222"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_034_w2aab3b7c17b1b6b1ab1b6c34Aa","doi-asserted-by":"crossref","unstructured":"Philippaerts RM, Vaeyens R, Janssens M, Van Renterghem B, Matthys D, Craen R, Bourgois J, Vrijens J, Beunen G, Malina RM. The relationship between peak height velocity and physical performance in youth soccer players. J Sports Sci 2006; 24: 221-230","DOI":"10.1080\/02640410500189371"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_035_w2aab3b7c17b1b6b1ab1b6c35Aa","doi-asserted-by":"crossref","unstructured":"Rodr\u00edguez-Fern\u00e1ndez A, Sanchez-Sanchez J, Ramirez-Campillo R, Nakamura FY, Rodr\u00edguez-Marroyo JA, Villa-Vicente JG. Relationship between sprint ability, aerobic capacity, intermittent endurance and heart rate recovery in youth soccer players. J Strength Cond Res 2017; doi: 10.1519\/JSC.0000000000002193. [Epub ahead of print]","DOI":"10.1519\/JSC.0000000000002193"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_036_w2aab3b7c17b1b6b1ab1b6c36Aa","doi-asserted-by":"crossref","unstructured":"Rosnow RL, Rosenthal R. Computing contrasts, effect sizes, and counter nulls on other people\u2019s published data: General procedures for research consumers. Psychol Methods, 1996; 1: 331-340","DOI":"10.1037\/1082-989X.1.4.331"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_037_w2aab3b7c17b1b6b1ab1b6c37Aa","doi-asserted-by":"crossref","unstructured":"Sanchez-Sanchez J, Sanchez M, Hernandez D, Ramirez-Campillo R, Martinez C, Nakamura FY. Fatigue in U12 Soccer-7 Players During Repeated One-Day Tournament Games - A Pilot Study. J Strength Cond Res, 2017; doi: 10.1519\/JSC.0000000000002141. [Epub ahead of print]","DOI":"10.1519\/JSC.0000000000002141"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_038_w2aab3b7c17b1b6b1ab1b6c38Aa","doi-asserted-by":"crossref","unstructured":"Sherar LB, Baxter-Jones AD, Faulkner RA, Russell KW. Do physical maturity and birth date predict talent in male youth ice hockey players? J Sports Sci, 2007; 25(8): 879-886","DOI":"10.1080\/02640410600908001"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_039_w2aab3b7c17b1b6b1ab1b6c39Aa","doi-asserted-by":"crossref","unstructured":"Simmons C, Paull GC. Season-of-birth bias in association football. J Sports Sci, 2001; 19(9): 677-686","DOI":"10.1080\/02640410152475801"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_040_w2aab3b7c17b1b6b1ab1b6c40Aa","doi-asserted-by":"crossref","unstructured":"Valente-dos-Santos J, Coelho-e-Silva MJ, Martins RA, Figueiredo AJ, Cyrino ES, Sherar LB, Vaeyens R, Huijgen BC, Elferink-Gemser MT, Malina RM. Modelling developmental changes in repeated-sprint ability by chronological and skeletal ages in young soccer players. Int J Sports Med 2012a; 33(10): 773-780","DOI":"10.1055\/s-0032-1308996"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_041_w2aab3b7c17b1b6b1ab1b6c41Aa","unstructured":"Valente-dos-Santos J, Coelho-e-Silva MJ, Severino V, Duarte J, Martins RS, Figueiredo AJ, Seabra AT, Philippaerts RM, Cumming SP, Elferink-Gemser M, Malina, RM. Longitudinal study of repeated sprint performance in youth soccer players of contrasting skeletal maturity status. J Sports Sci Med, 2012b; 11(3): 371-379"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_042_w2aab3b7c17b1b6b1ab1b6c42Aa","unstructured":"Wattie N, Baker J. Happy birthday? Relative age and its influence on human development. Psychologist, 2013; 26: 110-113"},{"key":"2023012005144206211_j_hukin-2018-0090_ref_043_w2aab3b7c17b1b6b1ab1b6c43Aa","doi-asserted-by":"crossref","unstructured":"Wattie N, Schorer J, Baker J. The relative age effect in sport: a developmental systems model. Sports Med, 2015; 45(1): 83-94","DOI":"10.1007\/s40279-014-0248-9"}],"container-title":["Journal of Human Kinetics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/content.sciendo.com\/view\/journals\/hukin\/67\/1\/article-p209.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.sciendo.com\/pdf\/10.2478\/hukin-2018-0090","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T11:03:51Z","timestamp":1759921431000},"score":1,"resource":{"primary":{"URL":"https:\/\/johk.pl\/?p=5064"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,6,1]]},"references-count":43,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2019,7,5]]},"published-print":{"date-parts":[[2019,7,5]]}},"alternative-id":["10.2478\/hukin-2018-0090"],"URL":"https:\/\/doi.org\/10.2478\/hukin-2018-0090","relation":{},"ISSN":["1899-7562"],"issn-type":[{"value":"1899-7562","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,6,1]]}}}