Y.B, K.; S.Y, K. Study Of Combination Therapy With Ipratropium Bromide And Levosalbutamol In Stable Chronic Obstructive Pulmonary Disease Patients.: Ipratropium Bromide And Levosalbutamol In Stable Chronic Obstructive Pulmonary Disease Patients. National Journal of Integrated Research in Medicine, [S. l.], v. 6, n. 3, p. 60–63, 2018. DOI: 10.70284/njirm.v6i3.914. Disponível em: http://www.nicpd.ac.in/ojs-/index.php/njirm/article/view/914. Acesso em: 4 may. 2025.