Cardelle-Cobas, Alejandra Synthesis of Oligosaccharides Derived from Lactulose (OsLu) Using Soluble and Immobilized Aspergillus oryzae β-Galactosidase. [electronic resource] - Frontiers in bioengineering and biotechnology 2016 - 21 p. digital Publication Type: Journal Article ISSN: 2296-4185 Standard No.: 10.3389/fbioe.2016.00021 doi