title: Expression of concern: Prevalence of hepatitis B and hepatitis C infection in Libya: results from a national population based survey.
authors.affiliation: BioMed Central, 236 Gray's Inn Road, London, WC1X 8HB, UK. Philippa.Harris@biomedcentral.com.
authors.forename: Philippa K
authors.initials: PK
authors.lastname: Harris