000 00550cam a2200193 4500
008 071231n2004 000 0 eng u
020 _a1853155845
035 _a(Sirsi) i9781853155840
060 _aWA 105.
100 1 _aWald, NJ
245 1 4 _aThe epidemiological approach :
_ban introduction to epidemiology in medicine
250 _a4th ed.
260 _aLondon :
_bRoyal Society of Medicine Press,
_c2004
300 _a86p
340 _aBook
650 2 _aEpidemiology
710 2 _aWolfson Institute of Preventive Medicine
942 _n0
999 _c11082
_d11082