The dilemma--hepatitis B. What is it all about?
D003428:Cross Infection / Q000517:prevention & control*; D006509:Hepatitis B / Q000276:immunology / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D008113:Liver Neoplasms / Q000209:etiology; D012306:Risk; D013041:Specialties, Nursing