{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,4]],"date-time":"2025-09-04T13:41:20Z","timestamp":1756993280890},"reference-count":0,"publisher":"Rockefeller University Press","issue":"4","content-domain":{"domain":["rupress.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[1964,10,1]]},"abstract":"<jats:p>An in vitro test for the differentiation of trachoma strain isolates was described. The method was based on absorption of trachoma antiserum followed by immunofluorescent staining of individual trachoma strains.<\/jats:p>\n               <jats:p>Nineteen trachoma strains were studied; two main types were identified. Evidence for quantitative and qualitative antigenic variation between the two types was presented. The limitations in practice and in theory of the test were emphasized.<\/jats:p>","DOI":"10.1084\/jem.120.4.639","type":"journal-article","created":{"date-parts":[[2004,6,22]],"date-time":"2004-06-22T20:51:07Z","timestamp":1087937467000},"page":"639-654","update-policy":"http:\/\/dx.doi.org\/10.1084\/jem.crossmarkpolicy","source":"Crossref","is-referenced-by-count":18,"title":["SEROLOGIC STRAIN DIFFERENTIATION IN TRACHOMA"],"prefix":"10.1084","volume":"120","author":[{"given":"Roger L.","family":"Nichols","sequence":"first","affiliation":[{"name":"From the Department of Microbiology, Harvard University School of Public Health, Boston, and the Aramco Trachoma Research Program, Medical Department, Arabian American Oil Company, Dhahran, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dorothy E.","family":"McComb","sequence":"additional","affiliation":[{"name":"From the Department of Microbiology, Harvard University School of Public Health, Boston, and the Aramco Trachoma Research Program, Medical Department, Arabian American Oil Company, Dhahran, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"291","published-online":{"date-parts":[[1964,10,1]]},"container-title":["The Journal of Experimental Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/rupress.org\/jem\/article-pdf\/120\/4\/639\/1650311\/639.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/rupress.org\/jem\/article-pdf\/120\/4\/639\/1650311\/639.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,7,24]],"date-time":"2023-07-24T19:39:22Z","timestamp":1690227562000},"score":1,"resource":{"primary":{"URL":"https:\/\/rupress.org\/jem\/article\/120\/4\/639\/3777\/SEROLOGIC-STRAIN-DIFFERENTIATION-IN-TRACHOMA"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1964,10,1]]},"references-count":0,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1964,10,1]]}},"URL":"https:\/\/doi.org\/10.1084\/jem.120.4.639","relation":{},"ISSN":["1540-9538","0022-1007"],"issn-type":[{"value":"1540-9538","type":"electronic"},{"value":"0022-1007","type":"print"}],"subject":[],"published":{"date-parts":[[1964,10,1]]}}}