1. Primary hyperparathyroidism;Al Zahrani;Lancet,1997
2. The rise and fall of primary hyperparathyroidism: a population-based study in Rochester, Minnesota, 1965–1992;Wermers;Ann Intern Med,1997
3. High prevalence of normal total calcium and intact PTH in 60 patients with proven primary hyperparathyroidism: a challenge to current diagnostic criteria;Glendenning;Aust N Z J Med,1998
4. Parathyroid hormone: before and after parathyroidectomy;Duh;Surgery,1986
5. Disturbance of basal and stimulated serum levels of intact parathyroid hormone in primary hyperparathyroidism;Ljunghall;Surgery,1991