{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,14]],"date-time":"2025-12-14T16:28:19Z","timestamp":1765729699661,"version":"3.48.0"},"reference-count":20,"publisher":"BMJ","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clin Pathol"],"published-print":{"date-parts":[[1969,1]]},"abstract":"<jats:p>The reliability of five commercially produced immunological pregnancy diagnosis methods has been investigated. The tests used were Pregnosticon (a tube test) and four slide tests, Hyland, Pregslide, Gravindex, and Planotest. In the series described, Planotest gave 0\u00b75% false positives, Gravindex had 2\u00b71%, Pregnosticon 2\u00b76%, and Pregslide 4\u00b77%, Hyland A (sensitivity 4,500 iu\/l.) gave 3\u00b76% and Hyland B (sensitivity 2 to 3,000 iu\/l.) had 8\u00b77% false positives. Pregnosticon had 0\u00b75% false negatives, Planotest 2\u00b70%, Gravindex 3\u00b75%, Hyland B 6\u00b75%, Pregslide 9%, and Hyland A 19\u00b75% false negatives.<\/jats:p>\n                  <jats:p>Planotest and Pregnosticon were found to be less influenced by protein and blood in the urine than the other pregnancy tests investigated.<\/jats:p>","DOI":"10.1136\/jcp.22.1.79","type":"journal-article","created":{"date-parts":[[2007,6,9]],"date-time":"2007-06-09T00:50:46Z","timestamp":1181350246000},"page":"79-83","source":"Crossref","is-referenced-by-count":14,"title":["Comparative study of immunological tests for pregnancy diagnosis"],"prefix":"10.1136","volume":"22","author":[{"given":"Joyce L.","family":"Bell","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1969,1,1]]},"reference":[{"key":"ref_1","first-page":"66","volume":"28","author":"Fink, H.; Frie, A.","year":"1966","unstructured":"Fink, H., and Frie, A. 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Ibid., 37, 445.","journal-title":"Ibid"},{"key":"ref_17","unstructured":"The November 1968 Issue","article-title":"The November 1968 Issue"},{"key":"ref_18","unstructured":"THE NOVEMBER 1968 ISSUE CONTAINS THE FOLLOWING PAPERS","article-title":"THE NOVEMBER 1968 ISSUE CONTAINS THE FOLLOWING PAPERS"},{"article-title":"The Association of Clinical Pathologists: 81st general meeting Index for","year":"1968","key":"ref_19","unstructured":"The Association of Clinical Pathologists: 81st general meeting Index for 1968"},{"article-title":"Contents for","year":"1968","key":"ref_20","unstructured":"Contents for 1968"}],"container-title":["Journal of Clinical Pathology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/jcp.22.1.79","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,14]],"date-time":"2025-12-14T16:25:11Z","timestamp":1765729511000},"score":1,"resource":{"primary":{"URL":"https:\/\/jcp.bmj.com\/lookup\/doi\/10.1136\/jcp.22.1.79"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1969,1]]},"references-count":20,"journal-issue":{"issue":"1","published-online":{"date-parts":[[1969,1,1]]},"published-print":{"date-parts":[[1969,1]]}},"alternative-id":["10.1136\/jcp.22.1.79"],"URL":"https:\/\/doi.org\/10.1136\/jcp.22.1.79","relation":{},"ISSN":["0021-9746","1472-4146"],"issn-type":[{"type":"print","value":"0021-9746"},{"type":"electronic","value":"1472-4146"}],"subject":[],"published":{"date-parts":[[1969,1]]}}}