00309nam a2200109Ia 4500008004100000082002200041100002200063245004200085260004400127300001100171650001700182140113s9999    xx            000 0 und d  a047.1:577.1 L4.43  a"Snell, Esmond E"  aAnnual review of biochemistry. Vol.43  b"California : Annual reviews inc, 1974"  a1085p.  aBiochemistry