00270nam a2200133Ia 4500020000900000082001200009100001800021245003300039250000600072260003500078300000800113500000900121650000600130  aNULL  a574.192  aRouth, Joseph 0aIntroduction to Biochemistry  a-  aLondonbW. B. Saunders Company  a165  a6288  a-