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An automated method on analysis of blood steroids using liquid chromatography tandem mass spectrometry: Application to population screening for congenital adrenal hyperplasia in newborns. Clin Chim Acta 412:2076-84. doi: 10.1016/j.cca.2011.07.009. Abstract: http://www.ncbi.nlm.nih.gov/pubmed/21803033