Bártholo, Rogério M., et al. “Diabetic Pneumopathy: A Study of Induced Sputum and Pulmonary Function in Patients With Type 2 Diabetes Mellitus”. Brazilian Journal of Health and Biomedical Sciences, vol. 18, no. 2, Dec. 2019, pp. 144-50, doi:10.12957/bjhbs.2019.53509.