000 00333nam a2200133Ia 4500
008 210804s1990||||xx |||||||||||||| ||und||
041 _aeng
100 _aSaxena R R
245 0 _aSocial and preventive medicine
250 _a1st
260 _aBhola nath nagar
_bCbs publishers and distributors
_c1990
300 _a392
942 _cBK
999 _c11660
_d11660