TY - RPRT TI - Fifty-three reoperations for hyperparathyroidism. AU - A D Katz AU - D Formichella PY - 1989 DO - 10.1016/0002-9610(89)90140-2 UR - https://pubmed.ncbi.nlm.nih.gov/2802046/ ID - 2802046 ER -