(NsOWETY WRA^A (B/s - (NcIMHES(B, (Ni(B.(Nl(B.s ((NgORXKIJ (B:s (NgORXKOWSKOE KN(B. (NIZD(B-(NWO(B,s, 1959)
Keywords: (NkAK SOHRANITX ZDOROWXEs; (NlE^ENIQ \FFEKTIWNOSTX(B, (NANALIZs