Regional Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne.
PMID: 11525572 [PubMed - indexed for MEDLINE]
Am Fam Physician. 2000 Feb 15; 61(4):1194, 1196, 1198-99.
[Am Fam Physician. 2000]
Am J Respir Crit Care Med. 1999 Sep; 160(3):1043-66.
[Am J Respir Crit Care Med. 1999]
BMJ. 2006 Feb 11; 332(7537):364.
[BMJ. 2006]
Am J Respir Crit Care Med. 1999 Jan; 159(1):1-14.
Circulation. 2004 Mar 30; 109(12 Suppl 1):I9-14.
[Circulation. 2004]
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