000 00309nam a2200121Ia 4500
008 210804s1969||||xx |||||||||||||| ||und||
041 _aeng
082 _a614
100 _aSanti Lal Roy
245 0 _aHand book of preventive and social medicine
260 _aCalcatta
_bAcademic publishers
_c1969
942 _cBK
999 _c13172
_d13172