Access to drugs Antiviral Agents 1 Article 1 Developing Countries 1 Drug Therapy, Combination 1 Generic medicines 1 Hepacivirus 1 Hepatitis C 1 Hepatitis C treatment 1 Hepatitis C virus subtype 3a 1 Hepatitis C, Chronic 1 Humans 1 Lower-middle-income country 1 Pakistan 1 Patient assistant programme 1 Ribavirin 1 Sofosbuvir 1 adult 1 aged 1 antivirus agent 1 chronic hepatitis C 1 cohort analysis 1 combination drug therapy 1 controlled study 1 cost effectiveness analysis 1 developing country 1 diagnostic cost 1 drug cost 1 drug use 1 evaluation study 1