1. Clinical features, diagnoses and treatment of pheochromocytoma: a review of 76 cases;Gifford;Mayo Clin Proc,1964
2. Textbook of Endocrinology;Melmom,1968
3. Pheochromocytoma as a cause of gastrointestinal distention;Bernstein;Postgrad Med,1967
4. Further observation on intestinal lesions associated with pheochromocytoma;Brown;Ann Surg,1960
5. Surgical grand rounds. Hypertension and ileus;Illinois Med J,1968