RT Journal Article SR Electronic T1 Spontaneous cervical hematoma associated with parathyroid adenoma JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E632 OP E632 DO 10.1503/cmaj.091167 VO 182 IS 13 A1 Habib U. Rehman A1 Milena Markovski A1 Amer Khalifa YR 2010 UL http://www.cmaj.ca/content/182/13/E632.abstract AB