000 00337nam a22001577a 4500
003 SGT
020 _a978-8131261828
082 _a614
_bG20D
100 _aDAVID D. CELENTANO
245 _aGORDIS EPIDEMIOLOGY
250 _a6TH
260 _aNEW DELHI
_bELSEVIER
_c2020
300 _a1-420
650 _aEPIDEMIOLOGY
942 _2ddc
_cBK
999 _c20845
_d20845