title: Finding the Missing Millions: Can a New Questionnaire Help to Detect Undiagnosed Chronic Obstructive Pulmonary Disease?
authors.affiliation: 1 Department of General Practice and Elderly Care Medicine.|2 Groningen Research Institute for Asthma and COPD University of Groningen, University Medical Center Groningen Groningen, the Netherlands and.
authors.forename: Thys
authors.identifier: 0000-0002-6606-8804
authors.initials: T
authors.lastname: van der Molen
authors.affiliation: 1 Department of General Practice and Elderly Care Medicine.|2 Groningen Research Institute for Asthma and COPD University of Groningen, University Medical Center Groningen Groningen, the Netherlands and.
authors.forename: Janwillem W H
authors.identifier: 0000-0002-2760-0693
authors.initials: JW
authors.lastname: Kocks
authors.affiliation: 3 Clinic of Social and Family Medicine University of Crete Crete, Greece.
authors.forename: Ioanna G
authors.initials: IG
authors.lastname: Tsiligianni
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive; D011795:Surveys and Questionnaires