000 00282nam a2200121Ia 4500
700 _aPark, J. E.
100 _aPark, J. E.
942 _cBK
654 _a
245 _aTextbook of preventive and social medicine
260 _aJabalpur
_bM/S Banarsidas Bhanot
_c1986
082 _a614
999 _c392080
_d392080
041 _aeng