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2. The optical configuration of glutamic acid isolated from casein hydrolyzates by six procedures;Opsahl;J. Amer. Chem. Soc,1942
3. The estimation of the dicarboxylic amino acids in protein hydrolyzates;Cannan;J. Biol. Chem,1944
4. Glutamic acid decarboxylase of higher plants. III. Enzymatic determination of l(+)-glutamic acid;Schales;Arch. Biochem,1946
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