RT Journal Article SR Electronic T1 Randomized trial of parathyroidectomy in mild asymptomatic primary hyperparathyroidism JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 59 OP 61 VO 49 IS 1 A1 Jeffrey Barkun A1 Quan-Yang Duh A1 Sam Wiseman A1 , YR 2006 UL http://canjsurg.ca/content/49/1/59.abstract