(N~TO DOLVEN ZNATX KAVDYJ O SOHRANENII ZUBOWs - (NbARANNIKOWA(B,(Ni(B. (Na(B.s (NiRINA aLEKANDROWNAs ((Nm(B.s (NmEDICINAs, 1990)
Keywords: (NzUBYs -- (NgIGIENAs; (NzUBNYE BOLEZNIs -- (NpROFILAKTIKA I BORXBAs