title: Changing epidemiology of hepatitis A: time for vaccination in childhood.
authors: R H
authors: RH
authors: Behrens
mesh_terms: D014943:Global Health; D006506:Hepatitis A / Q000453:epidemiology* / Q000517:prevention & control*; D022362:Hepatitis A Vaccines; D006801:Humans; D007115:Immunization Schedule; D014195:Travel
chemical_list: D022362:Hepatitis A Vaccines