000 00423nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a614 V1:1
100 _a"Vidiya Ratan, "
245 0 _aHandbook of Preventive and Social Medicine
250 _a\\199008ENGGPCX
260 _aJaypee Brothers
260 _b1990
260 _cNew Delhi
300 _a346p
500 _aincludes index and biblioraphy
942 _cBK
999 _c54667
_d54667