000 00331nam a2200121Ia 4500
008 220729s2022 xx 000 0 und d
041 _aeng
100 _aMukhmohit Singh
245 _aConceptual review of preventive and social medicine (PSM)
250 _a3
260 _aND
_bCBS Publisher and Distributors
_c2022
300 _a920
999 _c139713
_d139713