00303nam a2200109Ia 4500008004100000082001700041100002200058245004600080260003400126300001000160650002300170150201s2008    xx            000 0 und d  a616.01bB08S  aSULLIVAN, LISA M.  aESSENTIALS OF BIOSTATICS IN PUBLIC HEALTH  bIONES &BARTLETTaBORTONc2008  a1-213  aCOMMUNITY MEDICINE