Armengol Carrasco, M [Primary hyperthyroidism caused by supernumerary and hyperfunctioning mediastinal parathyroid gland]. [electronic resource] - Medicina clinica Oct 1987 - 529-30 p. digital Publication Type: Case Reports; Letter ISSN: 0025-7753 Subjects--Topical Terms: Choristoma--complicationsFemaleHumansHyperparathyroidism--etiologyMediastinal Neoplasms--complicationsMiddle AgedParathyroid Glands