00363nam a2200121Ia 4500008004100000082002000041100001400061245006700075250000800142260004200150300001000192650003900202150201s2009    xx            000 0 und d  a617.601bS2009L  aLESAEFFRE  aSTATISTICAL AND METHODOLOGICAL ASPECTS OF ORAL HEALTH RESEARCH  a1ST  bWILEY BLACKWELL PUBLISHINGaU.Kc2009  a1-390  aPREVENTIVE AND COMMUNITY DENTISTRY