Rojas-Laverde, M. del P. , Polanía-Robayo, A.Y., Roa-Cubaque, M.A. , Corredor-Gamba, S.P. and Pirachicán-Soto, L.C. 2022. Characterization of patients with clinical COPD in some municipalities of the department of Boyacá, Colombia. Salud UIS. 54, (May 2022). DOI:https://doi.org/10.18273/saluduis.54.e:22040.