00289nam a2200109Ia 4500008004100000082001400041100001900055245004700074250000800121260002700129650002300156150201s2009    xx            000 0 und d  a616bH07P  aPENCHEON,DAVID  aOXFORD HAND BOOK OF PUBLIC HEALTH PRACTICE  a2ND  bOXFORDaNEW YORKc2009  aCOMMUNITY MEDICINE