1. Frequency of surgical treatment for hypertension in adults at the Mayo Clinic from 1973–1975;Tucker,1977
2. Pheochromocytoma;Manger,1966
3. Exocytosis plays an important role in cateeholamine secretion, from Human Pheochromocytoma Clinica;Kobayashi;Clinica Acta,1978
4. Pheochromocytoma: Recognition and Management;Ram;Curr. Probl. Cardiol.,1979