000 00415nam 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 : 1987 : Vol. 126(4-6) : Shelf 2.2
260 _bThe School of Hygiene and Public Health
_c1987
300 _a561-1246p.
650 _aThe American Journal of Epidemiology
999 _c4319
_d4319