000 00352nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aPedro Cuatrecasas
245 0 _aBiochemical and Biophysical Research Communications
260 _c1981
_bAcademic Press
_aNew York
300 _aP. 799-1533
300 _bV. 103
942 _cJRBV
999 _c30294
_d30294