000 00350nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aMicheal B. Shimkin
245 0 _aJournal Of National Cancer Institute
260 _c1956
_bUS Department Of health & Services
_aUSA
300 _aP.593-1507
300 _bV.16
942 _cJRBV
999 _c34986
_d34986