NAGPAL, Ramesh Kumar. Drug shortages as a medication-safety problem: clinical impact, therapeutic substitutions, and mitigation strategies. Annals of Innovation in Medicine, London, U.K., v. 3, n. 4, 2025. DOI: 10.59652/abpm9k91. Disponível em: https://journals.eikipub.com/index.php/AIM-Medicine/article/view/792. Acesso em: 17 oct. 2026.