Khokhar, Nasir. “EFFECTIVENESS OF 48 WEEKS INTERFERON ALFA 2-B IN COMBINATION WITH RIBAVIRIN AS INITIAL TREATMENT OF CHRONIC HEPATITIS”. Journal of Ayub Medical College Abbottabad, vol. 14, no. 3, Oct. 2002, https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/3887.