00309nam a2200121Ia 4500008004100000082001600041100001800057245003100075250000800106260002300114300001000137650004000147150201s2009    xx            000 0 und d  a610.7bE09L  aRAO,SRIDHAR,B  aESSENTIALS OF EPIDEMIOLOGY  a1ST  bAITBSaDELHIc2009  a1-219  aOTHER CLINICAL & NON CLINICAL BOOKS