Huang, K Crystallization and chemical modification of disulfide bond of calf chymosin. [electronic resource] - Chinese journal of biotechnology 1991 - 83-92 p. digital Publication Type: Journal Article ISSN: 1042-749X Subjects--Topical Terms: AnimalsCattleChymosin--chemistryCrystallizationDisulfides--chemistryOxidation-Reduction