TY - RPRT TI - Primary hyperparathyroidism: changing clinical, surgical and pathologic aspects. AU - R C Haff AU - W C Black AU - W F Ballinger PY - 1970 DO - 10.1097/00000658-197001000-00013 UR - https://pubmed.ncbi.nlm.nih.gov/5409767/ ID - 5409767 ER -