00499nam a22001217a 4500020002000000082001600020100001500036245005400051260003900105300002900144500002000173650018400193  a8190011820 (hb)  a614.44bPAR  aPark, J.E.  aPark's textbook of preventive and social medicine  aIndiabM/S Banarsidas Bhanotc1993  a509 p.b: ill.c; 28 cm.  aIncluded Index.  aCommunity medicinevCommunity healthvEpidemiology diseasesvRespiratory infectionsvIntestinal infectionsvEnvironment healthvMental healthvOccupational healthvZoonosis vIIMC