Media type: E-Article Title: Validation of a Chronic Obstructive Pulmonary Disease screening questionnaire for population surveys Contributor: Müllerová, Hana; Wedzicha, Jadwiga; Soriano, Joan B; Vestbo, Jørgen imprint: Elsevier BV, 2004 Published in: Respiratory Medicine Language: English DOI: 10.1016/j.rmed.2003.08.009 ISSN: 0954-6111 Keywords: Pulmonary and Respiratory Medicine Origination: Footnote: Access State: Open Access