Original Research

External validation of the PUMA COPD diagnostic questionnaire in a general practice sample and the PLATINO study population

Lopez Varela MV, Montes de Oca M, Wehrmeister FC, Rodriguez C, Ramirez L, Menezes A

International Journal of Chronic Obstructive Pulmonary Disease 2019, 14:1901-1911

Published Date: 26 August 2019