000 00294nam a2200121Ia 4500
008 220201s2005 xx 000 0 eng d
100 _aGupta, M.C.
245 0 _aText book of preventive and social medicine
250 _a3
260 _aNew Delhi
_bJaypee
_c2005
300 _a646
942 _2ddc
999 _c63975
_d63975