1. G. I. Mehedlishvili, The Capillary Circulation [in Russian], Tbilisi (1958).
2. P. E. Lukomskii, Vestn. Akad. Med. Nauk. SSSR, No. 2, 57 (1970).
3. A. M. Chernukh, Vestn. Akad. Med. Nauk. SSSR, No. 5, 47 (1970).
4. A. M. Chernukh, M. D. Vakar, G. V. Chernysheva, et al., Cardiologiya, No. 11, 10 (1971).
5. E. Bloch, Ergebn. Anat. Entwickl.-Gesch.,35, 1 (1956).