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However, the presence of isomers may complicate the accurate measurement of free bilirubin concentrations in blood and the use of such values for identifying jaundiced infants at most risk of kernicterus.<\/jats:p>","DOI":"10.1542\/peds.2006-0594","type":"journal-article","created":{"date-parts":[[2006,9,1]],"date-time":"2006-09-01T21:17:38Z","timestamp":1157145458000},"page":"1185-1187","source":"Crossref","is-referenced-by-count":20,"title":["Ex Uno Plures: The Concealed Complexity of Bilirubin Species in Neonatal Blood Samples"],"prefix":"10.1542","volume":"118","author":[{"given":"Antony F.","family":"McDonagh","sequence":"first","affiliation":[{"name":"Division of Gastroenterology and the Liver Center, University of California, San Francisco, California"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"417","published-online":{"date-parts":[[2006,9,1]]},"reference":[{"key":"2021120822533572100_R1","doi-asserted-by":"crossref","unstructured":"Mather A. 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Do we measure bilirubin correctly anno 2005?Clin Chem Lab Med.\u20082005;43:531\u2013535","DOI":"10.1515\/CCLM.2005.092"},{"key":"2021120822533572100_R5","doi-asserted-by":"crossref","unstructured":"Vreman HJ, Verter J, Oh W, et al. Interlaboratory variability of bilirubin measurements. Clin Chem.\u20081996;42:869\u2013873","DOI":"10.1093\/clinchem\/42.6.869"},{"key":"2021120822533572100_R6","doi-asserted-by":"crossref","unstructured":"Lo SF, Doumas BT, Ashwood ER. Performance of bilirubin determinations in US laboratories\u2014revisited. Clin Chem.\u20082004;50:190\u2013194","DOI":"10.1373\/clinchem.2003.019216"},{"key":"2021120822533572100_R7","doi-asserted-by":"crossref","unstructured":"Lo SF, Doumas BT, Ashwood ER. Bilirubin proficiency testing using specimens containing unconjugated bilirubin and human serum: results of a College of American Pathologists study. 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