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Search helpExternal 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 Aug;14:1901-1911
primary study
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