TY - RPRT TI - Unusual problems in parathyroid surgery. AU - O H Beahrs AU - A J Edis AU - D C Purnell PY - 1977 DO - 10.1016/0002-9610(77)90387-7 UR - https://pubmed.ncbi.nlm.nih.gov/911035/ ID - 911035 ER -