Kane Gregory C, Grever Michael R, Kennedy John I, Kuzma Mary Ann, Saltzman Alan R, Wiernik Peter H, Baptista Nicole V
Division of Pulmonary Medicine and Critical Care, Department of Medicine, Jefferson Medical College, Philadelphia, PA 19170, USA.
Am J Med. 2009 Dec;122(12):1156-62. doi: 10.1016/j.amjmed.2009.07.010.