1. Centers for Disease Control and Prevention (CDC). National chronic kidney disease fact sheet: general information and national estimates on chronic kidney disease in the United States, 2010. Atlanta, GA: U.S. Department of Health and Human Services (HHS), CDC; 2010.
2. EPOGEN® (epoetin alfa) United States Prescribing Information (USPI).
3. Park K, Kwon IC, Park K. Oral protein delivery: current status and future prospect. React Funct Polym. 2011;71:280–7.
4. Kalluri H, Banga AK. Transdermal delivery of proteins. AAPS Pharm Sci Tech. 2011;12:431–41.
5. Bachhav YG, Summer S, Heinrich A, Bragagna T, Boehler C, Kalia YN. Minimally invasive delivery of peptides and proteins across the skin using P.L.E.A.S.E.® technology. AAPS J. 2008;10(S2):1168.