RT Journal Article SR Electronic T1 Respiratory Infections: Diagnosis and Management ed. by James E. Pennington JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 99 OP 100 VO 57 IS 1 A1 David P. Meeker YR 1990 UL http://www.ccjm.org/content/57/1/99.3.abstract AB