Oliveira, Karla Ramos Melo, Juliana Galliza Santana Montalvão, Aquiles Assunção Camelier, and Fernanda Warken Rosa. 2022. “Research Protocol: The Impact of Peptic Ulcers on Patients With Chronic Obstructive Pulmonary Disease”. Journal of Evidence-Based Healthcare 4 (April): e3984. https://doi.org/10.17267/2675-021Xevidence.2022.e3984.