(NbOLEZNI PARODONTA(B, (NIH PROFILAKTIKAs - (NkODOLA(B,(Nn(B. (Na(B.s (NnIKOLAJ aWRAMOWI^s ((Nk(B.s (NzDOROW(B'(NQs, 1987)
Keywords: (NpARODONTs -- (NbOLEZNIs