00313nam a2200121Ia 4500008004100000082001800041100001900059245002900078250000800107260004400115300001000159650002200169150201s2008    xx            000 0 und d  a617.6bE2008R  aRICHARDS DEREK  aEVIDENCE-BASED DENTISTRY  a1ST  bQUINTESSENCE PUBLICATIONaCHICAGOc2008  a1-144  aGENERAL DENTISTRY