MANJHI, P. K.; SINGH, S. K.; KUMAR, C.; RANA, A. K. Rational use and cost variation analysis of antitussive-expectorants available in the Indian market: a pharmacoeconomic study. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 10, n. 12, p. 1342–1347, 2021. DOI: 10.18203/2319-2003.ijbcp20214474. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/4896. Acesso em: 23 oct. 2025.