1. Incidental preclinical hyperparathyroidism identified during thyroid operations;Katz;Am Surg,1992
2. Tumors of the parathyroid glands found incidentally during surgical procedures;Ramsdell;Surg Gynecol Obstet,1960
3. Parathyroid adenomas discovered incidentally during explorations of the thyroid;Attie;Am J Surg,1967
4. Unexpected parathyroid disease discovered at thyroidectomy in irradiated patients;Prinz;Am J Surg,1981
5. Coexisting thyroid and parathyroid disease: Are they related?;Lever;Surgery,1983