World Health Organization
www.who.int
American Cancer Society
www.cancer.org
Centers for Disease Control and Prevention
www.cdc.gov
EASL − The Home of Hepatology
www.easl.eu
National Center of Biotehnology Information
www.ncbi.nlm.nih.gov
Historical Epidemiology of Hepatitis C Virus (HCV) in Select Countries – Volume 3
A Population-Based Surveillance Study on the Epidemiology of Hepatitis C in Estonia
National Institute of Allergy and Infectious Diseases
www.niaid.nih.gov
Terviseamet
www.terviseamet.ee
World Health Organization
www.who.int