00677nam2 22002171i 450 990002256570403321000225657FED01000225657(Aleph)000225657FED0100022565720030801d--------km-y0itay50------ba<<The >>isolation and crystallization of theenzyme urease. Englewood Cliffs, 1955, p.50-53.001000220431Sumner,James B.93616ITUNINARICAUNIMARCBK990002256570403321FFABCIsolation and crystallization of theenzyme urease. Englewood Cliffs, 1955, p.50-53399424UNINAING01