Collection of scientific works of doctors of the Ulyanovsk region (under the editorship of Candidate of Medical Sciences A.K. Plyasunov, honored doctors of the RSFSR A.A. Smirnov, V.I. Vinogradsky, B.I. Grigoriev, P.P. Evdokimov, V. V. Kopteva, I. P. Sorokina, E. M. Chuchkalova). Ulyanovsk branch of the Volga Book Publishing House, 308 pages, 1967, c. 1 p. 45 r - PDF (Russian)