Decreasing prevalence of hepatitis D virus infection.
Hadziyannis
S J
SJ
D006115:Greece / Q000453:epidemiology; D006515:Hepatitis B virus / Q000472:pathogenicity; D003699:Hepatitis D / Q000453:epidemiology* / Q000635:transmission*; D006801:Humans; D007558:Italy / Q000453:epidemiology; D007564:Japan / Q000453:epidemiology; D013624:Taiwan / Q000453:epidemiology