000 00360nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aWilliam H. Stein
_92456
245 0 _aJournal Of Biological Chemistry
260 _c1971
_bThe American Society Of Biological Chemists
_aUSA
300 _aP.5857-7864
300 _bV.246
942 _cJRBV
999 _c35151
_d35151