An analysis of preanalytical errors in the Biochemistry Unit of the National Referral Hospital in Bhutan: A descriptive study. Bhutan Health Journal, [S. l.], v. 12, n. 2, p. 6, 2026. DOI: 10.47811/216. Disponível em: https://bhj.com.bt/index.php/bhj/article/view/711. Acesso em: 6 aug. 2026.