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Citation

IUBMB 1980: Nomenclature Committee of the International Union of Biochemistry and Molecular Biology. [Internet]. London (GB): Queen Mary, University of London [beta-galactosidase: EC 3.2.1.23. created 1961, modified 1980; Accessed 2012 March 28]. Available from: http://www.chem.qmul.ac.uk/iubmb/enzyme/EC3/2/1/23.html