title: Hepatitis B virus subgenotype D1 is prevalent in Pakistan.
authors.forename: Heléne
authors.initials: H
authors.lastname: Norder
mesh_terms: D005838:Genotype; D006509:Hepatitis B / Q000453:epidemiology* / Q000235:genetics; D006515:Hepatitis B virus / Q000235:genetics*; D006801:Humans; D017720:Molecular Epidemiology; D010154:Pakistan / Q000453:epidemiology; D015995:Prevalence