Insertion-deletion polymorphism of ACE gene and increased body mass among hypertensive patients from various ethnic groups in Mordovia Republic oleh L. N. Goncharova, D. V. Biryukova, Z. B. Khasanova, E. I. Timoshkina, O. N. Kuzovenkova, S. V. Semenova, V. A. Snegovskoy, L. K. Fedotkina, N. V. Konovalova, A. Yu. Postnov