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O'Donnell AR, Toelle BG, Marks GB, Hayden CM, Laing IA, Peat JK, Goldblatt J, Le Souëf PN.O'Donnell AR, et al. Among authors: toelle bg.Am J Respir Crit Care Med. 2004 Mar 1;169(5):615-22. doi: 10.1164/rccm.200302-278OC. Epub 2003 Nov 14.Am J Respir Crit Care Med. 2004.PMID: 14617510
Toelle BG, Xuan W, Peat JK, Marks GB.Toelle BG, et al.Eur Respir J. 2004 Jan;23(1):66-70. doi: 10.1183/09031936.03.00046903.Eur Respir J. 2004.PMID: 14738233Free article.