000 00445nam a2200181Ia 4500
005 20180511101123.0
020 _a81-7179-785-7
041 _aENG
082 _a614.44
_bRAT
100 _aVidya Ratan
245 _aViva in Preventive and social medicine: Hygiene and public Health
250 _a4th
260 _bNew delhi: Jaypee brothers
260 _c2000
500 _a----
650 _aPreventive and social medicine
942 _cREF
_2ddc
999 _c201
_d201