Hepatitis a: a traveling target; comment on "the evolving epidemiology of hepatitis a in the United States".
Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA.
Karin L
KL
Andersson
Lawrence S
LS
Friedman
D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D015994:Incidence; D012307:Risk Factors; D014195:Travel; D014481:United States / Q000453:epidemiology