Liu, D T Consideration of the production methods and safety evaluation of cytokines. [electronic resource] - Developments in biological standardization 1988 - 193-7 p. digital Publication Type: Journal Article ISSN: 0301-5149 Subjects--Topical Terms: Biological Factors--geneticsCytokinesEscherichia coli--geneticsGenetic Engineering--methodsHumansQuality ControlRecombinant Proteins--standards