RT Journal Article SR Electronic T1 A Guide to Clinical Laboratory Diagnosis by John A. Koepke and John F. Koepke JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 212 OP 212 VO 56 IS 2 A2 Zakov, Z. Nicholas A1 Lang, Richard S. YR 1989 UL http://www.ccjm.org/content/56/2/212.1.abstract AB