title: Economic Evaluation of Vaccination Against Hav in High Risk Population.
authors.affiliation: Medical University of Sofia, Faculty of Pharmacy, Sofia, Bulgaria.
authors.forename: M
authors.initials: M
authors.lastname: Dimitrova
authors.affiliation: Medical University Sofia, Faculty of Pharmacy, Sofia, Bulgaria.
authors.forename: G
authors.initials: G
authors.lastname: Petrova