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Respiratory symptoms and peripheral airways disease in a cross-sectional study on a random population sample

Jan Yngve Olofson1, Birgitta Houltz, Maria Nilsson Tengelin

  • 1Department of Respiratory Medicine and Allergology, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.

BMJ Open
|November 29, 2012
PubMed
Abstract

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