000 00645nam a2200265#a 4500
001 0000006861
003 NIH
005 20240220140156.0
008 240220s1991 xx 000 0 eng d
020 _a0443044244
033 _a950522
_b950608
040 _aIMR
041 _aeng
060 _aWA105
090 _aWA105
_bbar 1991
100 _aBarker, David James Purslove
_eauthor.
245 0 _aPractical epidemiology
250 _a4th ed.
260 _aEdinburgh:
_bEnglish Language Book Society,
_c1991
300 _a173 p.;
_c22cm
500 _aAcc. No. 11363
650 1 0 _aEpidemiology
700 _aHall, A. J.
942 _cOS
999 _c5174
_d5174