RT Journal Article SR Electronic T1 Pulmonary Grand Rounds ed. by Marvin I. Schwarz, MD JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 578 OP 578 VO 57 IS 6 A1 Meeker, David P. YR 1990 UL http://www.ccjm.org/content/57/6/578.2.abstract AB