Evaluating Commercial Control Materials and Homemade Lyophilisates Quality in Kidney Function Test with Sigma Metric. International Journal of Advanced Health Science and Technology, [S. l.], v. 5, n. 4, p. 172–177, 2025. DOI: 10.35882/ijahst.v5i4.510. Disponível em: https://ijahst.org/index.php/ijahst/article/view/510. Acesso em: 30 oct. 2025.