August-Jörg, B., Hermann, R., Weitz, M., & Renner, E. (2003). Twenty-four vs. fourty-eight weeks of re-therapy with interferon alpha 2b and ribavirin in Interferon alpha monotherapy relapsers with chronic hepatitis c. Swiss Medical Weekly, 133(3334), 455–460. https://doi.org/10.4414/smw.2003.10300