000 00387nam a22001577a 4500
999 _c368456
_d368456
008 150713b xxu||||| |||| 00| 0 eng d
020 _a9780761922155
082 _a001.42
_bGLE
100 _aGlenn Norval
245 _aCohort analysis
250 _a2nd ed
260 _aLondon
_bSage
_c2005
300 _a61 p
_fPaperback
_gNormal
650 _aResearch Methodology
942 _2ddc
_cB