bibliographicCitation |
Namera A, Yashiki M, Nishida M, Kojima T. Direct extract derivatization for determination of amino acids in human urine by gas chromatography and mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2002 Aug 25;776(1):49–55. doi: 10.1016/s1570-0232(02)00075-2. PMID: 12127324. |