Surgery or surveillance for mild asymptomatic primary hyperparathyroidism: a prospective, randomized clinical trial.

Ambrogini E, Cetani F, Cianferotti L, Vignali E, Banti C, Viccica G, Oppo A, Miccoli P, Berti P, Bilezikian JP, Pinchera A, Marcocci C.J Clin Endocrinol Metab. 2007 Aug;92(8):3114-21. doi: 10.1210/jc.2007-0219. Epub 2007 May 29.PMID: 17535997 Clinical Trial.