00578nam a2200169Ia 450000500170000000800410001702000140005804000320007204100080010408200140011211100590012624500820018526000360026730000280030365000460033170000310037720240416075019.0240401s9999||||xx |||||||||||||| ||und||  a867152281  aODONTObspacODONTOdODONTO  aeng  a617.6 I71  aInternational symposium on Dentistry in the 21 Century 0aDentistry in the 21century a global perspective /ced. Richard J. Simonsen.--  aChicago :bQuintessence,c1991.  a262 p. :bil. ;c24 cm.  aOdontología - Congresos - Confrerencias  aRichard J. Simonsene(ed).