Oliveira, K. R. M., Galliza Santana Montalvão, J. ., Camelier, A. A., & Rosa, F. W. (2022). Research protocol: the impact of peptic ulcers on patients with chronic obstructive pulmonary disease. Journal of Evidence-Based Healthcare, 4, e3984. https://doi.org/10.17267/2675-021Xevidence.2022.e3984