LINCY RAJ C; POORNIMA RT; MALAWADI BN. Sigma metrics – a good quality control guide to assess analytical performance of a clinical chemistry laboratory. Asian Journal of Medical Sciences, [S. l.], v. 15, n. 7, p. 45–50, 2024. DOI: 10.3126/ajms.v15i7.64838. Disponível em: https://nepjol.info/index.php/AJMS/article/view/64838. Acesso em: 3 jul. 2024.