Prim Care Respir J. 2004 Mar;13(1):57-59. doi: 10.1016/j.pcrj.2003.12.004. Epub 2004 Mar 01.
Primary care respiratory journal : journal of the General Practice Airways Group
[No authors listed]
PMID: 31700373 PMCID: PMC6808207 DOI: 10.1016/j.pcrj.2003.12.004
[No abstract available.]