Grigg, L E Benign congenital intracardiac thyroid and polycystic tumor causing right ventricular outflow tract obstruction and conduction disturbance. [electronic resource] - Journal of the American College of Cardiology Jan 1987 - 225-7 p. digital Publication Type: Case Reports; Journal Article ISSN: 0735-1097 Standard No.: 10.1016/s0735-1097(87)80105-5 doi Subjects--Topical Terms: Choristoma--congenitalDizziness--etiologyEchocardiographyElectrocardiographyFemaleHeart Block--etiologyHeart Neoplasms--congenitalHeart SeptumHumansMiddle AgedSyncope--etiologyThyroid Gland