Carneiro, A. C. C., Costa, M. S., Costa, D. M. F., Carneiro, L. C., & Camelier, A. (2018). Questionnaire on quality of life related to chronic obstrutctive pulmonary disease (copd): literature review. International Journal of Education and Health, 2(1), 93-103. https://doi.org/10.17267/2594-7907ijhe.v2i1.1791