000			00327nam a2200133Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
022			_a0002-9262
040			_aCNCLSA
245		0	_aAmerican Journal of Epidemiology
260			_c1987 _bThe Johns Hopkins University
300			_aP. 1-1112
300			_bV. 125
942			_cJRBV
999			_c17660 _d17660