000 00293nam a2200121Ia 4500
008 160921s9999 xx 000 0 und d
020 _a978-81-7473-431-0
100 _aRAO B. SRIDHAR
245 _aEssential of Epidemiology
260 _bA.I.T.B.S.PUB.
_c2009
300 _a219
942 _cBK
999 _c26191
_d26191