1. Catecholamines and the adrenal medulla;Landsberg,1992
2. Prevalence of clinically unsuspected pheochromocytoma;Sutton;Mayo Clin Proc,1981
3. Pheochromocytoma and other diseases of the sympathetic nervous system;Keiser,1995
4. Pheochromocytoma and pregnancy;Schenker;Obstet Gynecol Surv,1971
5. Phaeochromocytoma in pregnancy;Harper;Br J Obstet Gynaecol,1989