1. EMEA. Guideline on similar biological medicinal products containing biotechnology-derived proteins as active substances: quality issues. EMEA/CHMP/49348/05.
2. EMEA. Guideline on similar biological medicinal products containing biotechnology-derived proteins as active substance: nonclinicaland clinical issues. EMEA/CHMP/BMWP/42832/2005.
3. Human interferons alpha, beta and omega;Bekisz;Growth Factors,2004
4. Review article: pegylated interferons: chemical and clinical differences;Foster;Aliment Pharmacol Ther,2004
5. EMEA 2005. European Public Assessment report on PegIntron (rev 5) [consultado 16/4/2006]. Disponible en: http://www.emea.eu.int/humandocs/Humans/EPAR/pegintron/pegintron.htm