000 00338nam a2200145Ia 4500
008 210804s1992||||xx |||||||||||||| ||und||
041 _aeng
082 _a614
_bVID/PR
100 _aVidya Ratan
245 0 _aHandbook of preventive and social medicine
250 _a9
260 _aNew delhi
_bJaypee
_c1992
300 _a376
942 _cBK
999 _c3006
_d3006