Antibiotics Utilization and their Cost in Ayder Referral Hospital, Mekelle, Ethiopia. Global Journal of Medical Research, [S. l.], v. 15, n. B1, p. 1–7, 2015. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/872. Acesso em: 1 feb. 2026.