{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T03:40:03Z","timestamp":1759722003782,"version":"build-2065373602"},"reference-count":7,"publisher":"BMJ","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Genet"],"published-print":{"date-parts":[[1985,4]]},"abstract":"<jats:p>A total of 122 apparently healthy Bolivian Aymara-mixed children ranging in age from 2 to 12 years were tested for lactose absorption using the standard lactose tolerance test with blood glucose determination. Analysing the sample according to the age of the probands, we found an increased age related frequency of lactose malabsorption showing final percentages of 55% in the 2 to 5 years group, 57.4% in the 6 to 10 years group, and 77.4% in the 11 to 15 years group.<\/jats:p>","DOI":"10.1136\/jmg.22.2.128","type":"journal-article","created":{"date-parts":[[2008,11,10]],"date-time":"2008-11-10T15:09:16Z","timestamp":1226329756000},"page":"128-130","source":"Crossref","is-referenced-by-count":3,"title":["The frequency of lactase phenotypes in Aymara children."],"prefix":"10.1136","volume":"22","author":[{"given":"E","family":"Balanza","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G","family":"Taboada","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1985,4,1]]},"reference":[{"key":"ref_1","article-title":"The interaction of biology and culture; a case study of dairying. Annual Meeting of the American Anthropological Association, Niagara Falls","author":"Durham, E.H.","year":"1980","unstructured":"Durham, EH. The interaction of biology and culture; a case study of dairying. Annual Meeting of the American Anthropological Association, Niagara Falls, New York, 1980."},{"key":"ref_2","first-page":"205","article-title":"The human lactase polymorphism: physicology and genetics of lactose absorption and malabsorption","volume":"1","author":"Flatz, G.; Rotthauwe, H.","year":"1977","unstructured":"Flatz G, Rotthauwe H. The human lactase polymorphism: physicology and genetics of lactose absorption and malabsorption. Prog Med Genet 1977;1:205-49.","journal-title":"Prog Med Genet"},{"key":"ref_3","first-page":"276","article-title":"Population screening for the human adult lactasc phenotypes with a multiple breaths version of the breath hydrogen test","volume":"57","author":"Howell, Y.N.; Schockennhoff, T.; Flatz, G.","year":"1981","unstructured":"Howell YN, Schockennhoff T, Flatz G. Population screening for the human adult lactasc phenotypes with a multiple breaths version of the breath hydrogen test. Hum Genet 1981;57:276-8.","journal-title":"Hum Genet"},{"key":"ref_4","first-page":"1494","article-title":"Intestinal lactose deficiency and milk drinking capacity in the adult","volume":"31","author":"Lisker, R.; Aguilar, L.; Zabala, C.","year":"1978","unstructured":"Lisker R, Aguilar L, Zabala C. Intestinal lactose deficiency and milk drinking capacity in the adult. Am J Clin Nur 1978;31:1494-504.","journal-title":"Am J Clin Nur"},{"key":"ref_5","first-page":"233","article-title":"Double blind study of milk lactose intolerance","volume":"74","author":"Lisker, R.; Aguilar, L.","year":"1978","unstructured":"Lisker R, Aguilar L. Double blind study of milk lactose intolerance. Gastroenterology 1978;74:233-5.","journal-title":"Gastroenterology"},{"key":"ref_6","first-page":"436","article-title":"Test for detecting lactose malabsorption in infants and children","volume":"34","year":"1979","unstructured":"Nose 0, Kai H, Harada T, Ogawa M, Yambuchi H. Breath hydrogen. Test for detecting lactose malabsorption in infants and children. Arch Dis Child 1979;34:436-40.","journal-title":"Arch Dis Child"},{"key":"ref_7","first-page":"937","article-title":"Use of respiratory hydrogen (H2) excretion to detect carbohydrate malabsorption","volume":"75","author":"Levitt, M.D.; Donalson, R.M.","year":"1970","unstructured":"Levitt MD, Donalson RM. Use of respiratory hydrogen (H2) excretion to detect carbohydrate malabsorption. J Lab Clin Med 1970;75:937-45.","journal-title":"J Lab Clin Med"}],"container-title":["Journal of Medical Genetics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/jmg.22.2.128","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T03:23:41Z","timestamp":1759721021000},"score":1,"resource":{"primary":{"URL":"https:\/\/jmg.bmj.com\/lookup\/doi\/10.1136\/jmg.22.2.128"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1985,4]]},"references-count":7,"journal-issue":{"issue":"2","published-online":{"date-parts":[[1985,4,1]]},"published-print":{"date-parts":[[1985,4]]}},"alternative-id":["10.1136\/jmg.22.2.128"],"URL":"https:\/\/doi.org\/10.1136\/jmg.22.2.128","relation":{},"ISSN":["0022-2593","1468-6244"],"issn-type":[{"type":"print","value":"0022-2593"},{"type":"electronic","value":"1468-6244"}],"subject":[],"published":{"date-parts":[[1985,4]]}}}