HYLTOFT PETERSEN , Per; BLAABJERG , Ole; IRJALA , Kerttu; ICÉN , Arto; BJØRO , Kristian. 5.1 External Analytical Quality Assurance for Proteins. Upsala Journal of Medical Sciences, [S. l.], v. 98, n. 3, p. 241–258, 1993. DOI: 10.3109/03009739309179319. Disponível em: https://ujms.net/index.php/ujms/article/view/7480. Acesso em: 13 nov. 2026.