MUZNA HAMEED DAR; ALAM, S. M. .; BUKHARI, Q. ul A. .; ISMAIL, K. .; ZAIDI, S. A. H. . Low Dose Theophylline and Tiotropium Rotacap as Add on Therapy in COPD Patients-Clinical Trial. Journal of Bahria University Medical and Dental College, [S. l.], v. 10, n. 2, p. 137–141, 2021. DOI: 10.51985/JBUMDC2020001. Disponível em: https://jbumdc.bahria.edu.pk/index.php/ojs/article/view/443. Acesso em: 19 may. 2024.