An observational study on safety profile of ofloxacin and levofloxacin in treatment of acute exacerbation of chronic bronchitis. International Journal of Research in Pharmacology & Pharmacotherapeutics, [S. l.], v. 8, n. 2, p. 131–136, 2021. DOI: 10.61096/ijrpp.v8.iss2.2019.131-136. Disponível em: https://ijrpp.com/ijrpp/article/view/74. Acesso em: 17 apr. 2026.