Comparative analysis of distribution patterns of research protocol: a retrospective, observational study. International Journal of Research in Pharmacology & Pharmacotherapeutics, [S. l.], v. 7, n. 4, p. 347–353, 2021. DOI: 10.61096/ijrpp.v7.iss4.2018.347-353. Disponível em: https://ijrpp.com/ijrpp/article/view/307. Acesso em: 17 apr. 2026.