1. V. M. Smirnov, Byull. Eksp. Biol. Med., 112, No. 9, 229–231 (1991).
2. V. M. Smirnov, V. A. Klevtsov, and A. E. Lychkova, Ross. Fiziol. Zh., 72, No. 5, 650–655 (1986).
3. V. M. Smirnov, V. A. Klevtsov, N. A. Smirnova, and A. E. Lychkova, Byull. Eksp. Biol. Med., 104, No. 9, 270–273 (1987).
4. E. Bathon and H. Ormsbee, Gastroenterology, 78, No. 5, Pt. 2, 1528–1600 (1980).
5. D. Delbro and B. Lisander, Acta Physiol. Scand., 110, No. 2, 137–144 (1980).