ETHIRAJAN NANDAGOPAL; SUMITHRA M; MEENAKSHI N. Comparison of Prevalence and Risk Factors in COPD Patients With and Without History of Smoking. International Journal of Research in Pharmaceutical Sciences, [S. l.], v. 11, n. 4, p. 7841–7847, 2020. Disponível em: https://ijrps.com/home/article/view/2478. Acesso em: 22 nov. 2024.