The M235T Variant of the Angiotensinogen Gene and the Body Mass Index Are Useful Markers for Prevention of Hypertension in Pregnancy: A Tree-Based Analysis of Gene-Environment Interaction - Kobashi, Gen; Hata, Akira; Shido, Koichi; Ohta, Kaori; Yamada, Hideto; Fujimoto, Seiichiro; Kondo, Kiyotaro (Seminars in Thrombosis and Hemostasis, 2002)