000			00352nam a2200133Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
100			_aM.B. shimkin _94237
245		0	_aJournal Of The National Cancer Institute
260			_c1959 _bUS Department Of Health Services _aUSA
300			_aP.661-1195
300			_bV.22
942			_cJRBV
999			_c27260 _d27260