{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T02:37:29Z","timestamp":1767926249560,"version":"3.49.0"},"reference-count":11,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2009,8,1]],"date-time":"2009-08-01T00:00:00Z","timestamp":1249084800000},"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":[[2009,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Retrospective testing of neonatal Guthrie card blood spots for specific immunoglobulin M (IgM) can distinguish congenital toxoplasmosis from acquired toxoplasmosis. We determined whether storage temperature reduced IgM detection, using filter paper blood samples \u201cspiked\u201d with anti-\n            <jats:italic>Toxoplasma<\/jats:italic>\n            IgM. After 300 days, IgM detection deteriorated with storage at room temperature but not at temperatures of 4\u00b0C or lower.\n          <\/jats:p>","DOI":"10.1128\/jcm.00893-09","type":"journal-article","created":{"date-parts":[[2009,6,4]],"date-time":"2009-06-04T01:35:55Z","timestamp":1244079355000},"page":"2626-2628","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":6,"title":["Recovery of Anti-\n            <i>Toxoplasma gondii<\/i>\n            Immunoglobulin M in Stored Guthrie Card Blood Spots"],"prefix":"10.1128","volume":"47","author":[{"given":"Hooi-Kuan","family":"Tan","sequence":"first","affiliation":[{"name":"MRC Centre of Epidemiology for Child Health, Institute of Child Health, London, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eskild","family":"Petersen","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases, Aarhus University Hospital, Skejby, DK-8200 Aarhus N., Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lone N.","family":"M\u00f8ller","sequence":"additional","affiliation":[{"name":"Department of Bacteriology, Mycology &amp; Parasitology, Statens Serum Institut, 5 Artillerivej, DK-2300 Copenhagen S., Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pamela","family":"Phillips","sequence":"additional","affiliation":[{"name":"MRC Centre of Epidemiology for Child Health, Institute of Child Health, London, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eurico Camargo","family":"Neto","sequence":"additional","affiliation":[{"name":"Laboratorio Nobel and Centro de Triagem Neonatal, Porto Alegre, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruth E.","family":"Gilbert","sequence":"additional","affiliation":[{"name":"MRC Centre of Epidemiology for Child Health, Institute of Child Health, London, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/jcm.34.12.3147-3150.1996"},{"key":"e_1_3_2_3_2","first-page":"495","volume":"91","year":"2005","unstructured":"Gilbert, R. 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