(NhOREQ (B/s - (NkUDRQWCEW(B, (NmIHAIL aNDREEWI^s ((NmOSKWA (B:s (NmEDGIZ(B,s, 1961)
Keywords: (NnERWNYE BOLEZNIs; (NhOREQs; (NpRIZNAKI I SIMPTOMYs; (NbOLEZNI NA^ALA WOZRASTs; (NrEWMATOIDNYJ FAKTORs; (NpERWI^NAQ PROFILAKTIKAs; (NlE^EBNYE METODYs