000 00300nam a2200121Ia 4500
008 220729s2021 xx 000 0 und d
041 _aeng
100 _aSunder Lal
245 _aText book of community medicine
250 _a6
260 _aNY
_bCBS Publisher and Distributors
_c2021
300 _a739
999 _c139492
_d139492