title: Hepatitis B viral breakthrough associated with inappropriate preservation of entecavir.
abstract: If virologic breakthrough is observed during chronic hepatitis B treatment, drug resistance or compliance problem should be considered. But in some cases, breakthrough depends on drug preservation conditions. We report the case of a 30-years-old man, who experienced viral breakthrough due to wrong preservation conditions of the drug.
authors.affiliation: Department of Infectious Diseases and Clinical Microbiology, Sakarya University, 54000, Sakarya, Turkey.
authors.forename: Oguz
authors.initials: O
authors.lastname: Karabay
authors.forename: Nazan
authors.initials: N
authors.lastname: Tuna
authors.forename: Mehmet
authors.initials: M
authors.lastname: Yahyaoglu