Hanania Nicola A, Sharafkhaneh Amir, Barber Roger, Dickey Burton F
Section of Pulmonary and Critical Care Medicine, Department of Medicine, Baylor College of Medicine and the Houston Veterans Administration Medical Center, Texas 77030, USA.
Am J Respir Crit Care Med. 2002 May 15;165(10):1353-8. doi: 10.1164/rccm.2109060.