TY - RPRT TI - A plethora of primary hyperparathyroidism. AU - R A Preisman AU - J H Mehnert PY - 1971 DO - 10.1001/archsurg.1971.01350070038007 UR - https://pubmed.ncbi.nlm.nih.gov/5088421/ ID - 5088421 ER -