000 00363nam a2200145Ia 4500
008 220916s9999 xx 000 0 und d
020 _a9788174734310
100 _aRAO, B. SRIDHAR
245 0 _aESSENTIALS OF EPIDEMIOLOGY
250 _a2ND
260 _bAITBS PUBLISHERS, DELHI
_c2020
300 _a219
650 _aPharmaceutical Biotechnology
942 _cBK
999 _c90200
_d90200