000 00410nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0002-9262
100 _aThe American Journal of Epidemiology
245 4 _aThe American Journal of Epidemiology : 1990 : Vol. 131(1-3) : Shelf 2.2
260 _bThe School of Hygiene and Public Health
_c1990
300 _a578p.
650 _aThe American Journal of Epidemiology
999 _c5005
_d5005