GROTH , Torgny. Some Methodological Aspects on Quality Assurance in Laboratory Medicine. Upsala Journal of Medical Sciences, [S. l.], v. 95, n. 3, p. 265–273, 1990. DOI: 10.3109/03009739009178602. Disponível em: https://ujms.net/index.php/ujms/article/view/6783. Acesso em: 13 nov. 2026.