RT Journal Article SR Electronic T1 Diagnosis of Obscure Hyperparathyroidism JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 66 OP 71 VO 18 IS 2 A1 Robert W. Schneider A1 A. H. Robnett YR 1951 UL http://www.ccjm.org/content/18/2/66.abstract AB