00335nam a2200109Ia 4500008004100000041000800041082002800049100003000077245005800107260005100165300000900216230411s9999    xx            000 0 und d  aeng  aCH/614.4/VAU/MOR/B05571  aVaughan ed & Morrow R Ed.  aManual Of Epidemiology For District Health Management  bCBS Publishers & DistributorsaNew Delhic1994  a196p