1. Biotechnologically derived medical agents The scientific basis of their regulation;Chiu,1988
2. Biologics development: A regulatory overview;Scott,1993
3. Cloning and expression of the human erythropoietin gene;Lin,1985
4. Purification of human erythropoietin;Miyake;J Biol Chem,1977
5. Issues with biotechnology products in toxicologic pathology;Terrell;Toxicol Pathol,1994