title: Two-in-one vaccine.
mesh_terms: D000328:Adult; D006282:Health Personnel; D022362:Hepatitis A Vaccines; D017325:Hepatitis B Vaccines; D006801:Humans; D017778:Vaccines, Combined; D014761:Viral Hepatitis Vaccines
chemical_list: D022362:Hepatitis A Vaccines; D017325:Hepatitis B Vaccines; D017778:Vaccines, Combined; D014761:Viral Hepatitis Vaccines