RAJA, M. J.; KAVITHA, J. R.; KUMAR, K. P.; SIVAKUMAR, T. Simultaneous determination of azathioprine and its metabolite 6-mercaptopurine in human plasma using solid phase extraction-evaporation and liquid chromatography–positive electrospray tandem mass spectrometry. International Current Pharmaceutical Journal, [S. l.], v. 1, n. 11, p. 342–352, 2012. DOI: 10.3329/icpj.v1i11.12059. Disponível em: https://banglajol.info/index.php/ICPJ/article/view/12059. Acesso em: 20 dec. 2024.