00333nam a2200121Ia 4500008004100000022001400041040001100055100002200066245005500088260004600143300001200189300001000201251112s9999||||xx |||||||||||||| ||und||  a0006-291X  aCNCLSA  aPedro Cuatrecasas 0aBiochemical and biophysical research communication  cJaunary 16,1982bAcademic PressaNew York  aP.1-600  bV.108