Lesmana, L. A., U. Budihusodo, N. Akbar, A. Sulaiman, S. Noer, I. A. Kristanti, and R. Setiabudy. “Combination of Interferon Alfa-2b and Ribavirin in Relapsed or Nonresponding Chronic Hepatitis C Patients Following Interferon Therapy”. Medical Journal of Indonesia, vol. 10, no. 4, Nov. 2001, pp. 214-8, doi:10.13181/mji.v10i4.37.