(NrASSKAZY WRA^A (B/s - (NkAGAN(B, (NnAUM pAWLOWI^s ((NmOSKWA (B:s (NmEDGIZ(B,s, 1959)
(NnA OBL(B. (NDATA(B: 1960s
Keywords: (NmEDICINAs; (NlE^ENIE BOLXNYHs; (NgIGIENAs; (NpROFILAKTIKAs