00369nam a2200133Ia 450000500170000000800410001702000180005808200170007610000170009324500510011025000110016126000530017230000100022520260205055908.0260111s9999||||xx |||||||||||||| ||und||  a9788123915241  a617.6  J613T  aJohn, Joseph 0aTextbook of preventive and community dentistry  a2nd ed  aNew DelhibCBS publishers and distributorsc2007  a326p.