000 00270 a2200109 4500
005 20220603011816.0
022 _a0002-9262
245 _aAmerican Journal of Epidemiology
260 _aEngland
_bSchool of Hygiene and Public Health
_c1984
490 _v119
942 _2lcc
_cCR
999 _c27048
_d27048