000 00310nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aAmerican Journal of Epidemiology
260 _c1960
_bThe National Cancer Institute
_aU.S.A
300 _aP. 559-1082
300 _bV. 54
942 _cJRBV
999 _c20984
_d20984