(NgIGIENA PITANIQ (B:s (Nw (B2-(NH T(B.: [(Nu^EBNIK(B] /s - (NpETROWSKIJ (B, (Nk(B.(Ns(B.s ((NmOSKWA (B:s (NmEDICINA(B,s, 1971)
(Nt(B. 1 (512 (NS(B.)s (Nt(B. 2 (480 (NS(B.)s
Keywords: (NgIGIENA PITANIQs -- (Nu^EBNIKIs