Barbara P Yawn1, Roy A Yawn. Show Affiliations » 1. Department of Family and Community Health, University of Minnesota, Minneapolis, Minnesota, USA. yawnx002@umn.edu
Abstract
Year: 2004 PMID: 16701688 PMCID: PMC6743543 DOI: 10.1016/j.pcrj.2004.10.003
Source DB: PubMed Journal: Prim Care Respir J ISSN: 1471-4418