bibliographicCitation |
Guo T, Gu J, Soldin OP, Singh RJ, Soldin SJ. Rapid measurement of estrogens and their metabolites in human serum by liquid chromatography-tandem mass spectrometry without derivatization. Clinical Biochemistry. 2008 Jun;41(9):736–41. doi: 10.1016/j.clinbiochem.2008.02.009. |