RT Journal Article SR Electronic T1 Specialty Board Review: Internal Medicine by Robert E. Pieroni, M.D. JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 251 OP 251 VO 50 IS 2 A2 Zakov, Z. Nicholas A1 Cressman, Michael D. YR 1983 UL http://www.ccjm.org/content/50/2/251.1.abstract AB