Fajardo Rivero, MD., J.E. et al. 2016. Osteoporosis, vertebral fractures, and hyperkyphosis in chronic obstructive pulmonary disease. Revista Colombiana de Neumología. 27, 2 (Jul. 2016). DOI:https://doi.org/10.30789/rcneumologia.v27.n2.2015.27.