1. B. P. Babkin, The External Secretion of the Digestive Glands [in Russian], Moscow-Leningrad (1927), p. 524.
2. B. P. Babkin, The Secretory Mechanism of the Digestive Glands [in Russian], Leningrad (1960), p. 17.
3. L. M. Babushkina, L. S. Fomina, and É. Faltova, Fiziol. Zh. SSSR, No. 11, 1404 (1961).
4. P. G. Bogach, in: The Periodic Activity of the Digestive Apparatus [in Russian], Kiev (1965), p. 22.
5. A. N. Bakuradze, in: The Periodic Activity of the Digestive Apparatus [in Russian], Kiev (1965), p. 3.