1. Goodof II, Lischer CE (1943) Tumor of the carotid body and pancreas. Arch Pathol 35:906–911
2. Shimazaki M, Ueda G, Kurimoto H (1965) Retroperitoneal nonchromaffin paraganglioma with hormonal activity. Acta Pathol Jpn 15:145–154
3. Gordon RE, Taff ML, Schwartz IS, Kleinerman J (1983) Malignant retroperitoneal paraganglioma; unusual light and electron microscopic findings. Mt Sinai J Med 50:507–513
4. Miyayama H, Ohishi S, Sato T (1983) Adrenal medulla; histopathological features of tumors based on the WHO classification (in Japanese). Nippon Rinsho 41:1162–1168
5. Sasano N (1976) The occurence of endocrine gland tumor and its pathomorphological features (in Japanese). Nippon Rinsho 34:2–8