SRINIVASA RAJAGOPALACHARI N. K., P. SHANMUGASUNDARAM. Analytical Method Validation for the Determination of Ninhydrin Positive Substances in Amino Acids by High Performance Liquid Chromatography. Annals of the Romanian Society for Cell Biology, [S. l.], v. 25, n. 6, p. 4323 –, 2021. Disponível em: https://annalsofrscb.ro/index.php/journal/article/view/6265. Acesso em: 28 mar. 2024.