{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T17:21:15Z","timestamp":1773076875739,"version":"3.50.1"},"reference-count":19,"publisher":"American Society for Microbiology","issue":"1","license":[{"start":{"date-parts":[[2008,1,1]],"date-time":"2008-01-01T00:00:00Z","timestamp":1199145600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2008,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>Two percent of 1,973 pneumococcus strains isolated from carriers since 2001 in Portugal were found to be optochin resistant. These strains belonged to eight serotypes (and some were nontypeable), and they had diverse genetic backgrounds. Novel optochin-resistant lineages were detected over time, suggesting that there was a continuous, although sporadic, emergence of optochin resistance.<\/jats:p>","DOI":"10.1128\/jcm.02097-07","type":"journal-article","created":{"date-parts":[[2007,11,22]],"date-time":"2007-11-22T02:06:55Z","timestamp":1195697215000},"page":"321-324","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":21,"title":["Optochin Resistance among\n            <i>Streptococcus pneumoniae<\/i>\n            Strains Colonizing Healthy Children in Portugal"],"prefix":"10.1128","volume":"46","author":[{"given":"So\u0301nia","family":"Nunes","sequence":"first","affiliation":[{"name":"Laboratory of Molecular Genetics, Instituto de Tecnologia Qui\u0301mica e Biolo\u0301gica, Universidade Nova de Lisboa, Oeiras, Portugal"}]},{"given":"Raquel","family":"Sa\u0301-Lea\u0303o","sequence":"additional","affiliation":[{"name":"Laboratory of Molecular Genetics, Instituto de Tecnologia Qui\u0301mica e Biolo\u0301gica, Universidade Nova de Lisboa, Oeiras, Portugal"}]},{"given":"Hermi\u0301nia","family":"de Lencastre","sequence":"additional","affiliation":[{"name":"Laboratory of Molecular Genetics, Instituto de Tecnologia Qui\u0301mica e Biolo\u0301gica, Universidade Nova de Lisboa, Oeiras, Portugal"},{"name":"Laboratory of Microbiology, The Rockefeller University, New York, New York"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.2006.12.239"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.42.10.4686-4696.2004"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0732-8893(97)00141-7"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.41.6.2378-2384.2003"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0732-8893(00)00149-8"},{"key":"e_1_3_2_7_2","unstructured":"Performance standards for antimicrobial disk susceptibility tests 9th ed. 2006"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.1997.3.177"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.1999.5.19"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.00891-07"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF02013101"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.2005.11.309"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/0732-8893(90)90056-2"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.inf.0000049347.42983.77"},{"key":"e_1_3_2_15_2","first-page":"281","year":"1988","unstructured":"Phillips, G., R. 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