{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T17:33:18Z","timestamp":1761154398902},"reference-count":11,"publisher":"American Society for Microbiology","issue":"7","license":[{"start":{"date-parts":[[2002,7,1]],"date-time":"2002-07-01T00:00:00Z","timestamp":1025481600000},"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":[[2002,7]]},"abstract":"ABSTRACT<\/jats:title>\n \n Fifty-seven Sinhalese patients were investigated for the presence of\n Helicobacter pylori<\/jats:italic>\n by PCR. A prevalence of 70.1%, with 47.5% positive for\n cagA<\/jats:italic>\n , was demonstrated. The most common\n vacA<\/jats:italic>\n allele was s1am1. There was no significant association between either the s1 allele or the\n cagA<\/jats:italic>\n allele and severe gastroduodenal disease. There was an association between the s1 allele and the\n cagA<\/jats:italic>\n locus.\n <\/jats:p>","DOI":"10.1128\/jcm.40.7.2675-2676.2002","type":"journal-article","created":{"date-parts":[[2002,7,28]],"date-time":"2002-07-28T23:07:23Z","timestamp":1027897643000},"page":"2675-2676","update-policy":"http:\/\/dx.doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":16,"title":["Prevalence of\n Helicobacter pylori<\/i>\n in Sri Lanka as Determined by PCR"],"prefix":"10.1128","volume":"40","author":[{"given":"N.","family":"Fernando","sequence":"first","affiliation":[{"name":"Department of Bacteriology, Royal Free & University College London Medical School, London, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Holton","sequence":"additional","affiliation":[{"name":"Department of Bacteriology, Royal Free & University College London Medical School, London, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Vaira","sequence":"additional","affiliation":[{"name":"First Medical Clinic, University of Bologna, Bologna, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"DeSilva","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medical Sciences, University of Sri Jayewardena, Colombo, Sri Lanka"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Fernando","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medical Sciences, University of Sri Jayewardena, Colombo, Sri Lanka"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1994.03520010077036"},{"key":"e_1_3_2_3_2","first-page":"1","volume":"61","year":"1994","unstructured":"Anonymous. 1994. 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