USMAN, Umar; IRFAN, Muhammad; FAISAL, Muhammad. Frequency of GERD in COPD Patients. Annals of Punjab Medical College, [S. l.], v. 10, n. 3, p. 111–114, 2016. DOI: 10.29054/apmc/2016.272. Disponível em: https://apmcfmu.com/index.php/apmc/article/view/272. Acesso em: 28 feb. 2026.