Amreen Zahra, Mushtaq A. Saleem, Hasnain Javed and Muhammad Azmat Ullah Khan, 2022. Prevalence of HCV-HIV Co-Infection with Intravenous Drug Users in Central Punjab, Pakistan. Pakistan J. Zool., 54: 2185-2192. 
DOI: https://dx.doi.org/10.17582/journal.pjz/20210509130526