1. Obstetric-Gynecologic Terminology;Hughes,1972
2. Definition and Classification of Toxemias Brought Up-to-date;Eastman,1952
3. A clinical study of pre-eclampsia;Nelson;J Obstet Gynaecol Br Emp,1955
4. Hypertensive Disorders in Pregnancy;Chesley,1978
5. Pathological anatomy of acute hypertension of pregnancy;McCartney;Circulation,1964