Hepatitis B: cheap vaccine for wide use?
D003365:Costs and Cost Analysis; D006509:Hepatitis B / Q000517:prevention & control; D017325:Hepatitis B Vaccines; D006801:Humans; D014761:Viral Hepatitis Vaccines / Q000627:therapeutic use*
D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines