RT Journal Article SR Electronic T1 Bronchoalveolar lavage JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 549 OP 551 VO 52 IS 4 A1 Muzaffar Ahmad A1 Mary Jane Thomassen A1 Martha K. Cathcart YR 1985 UL http://www.ccjm.org/content/52/4/549.abstract AB