Hepatitis B: a perspective.
D002353:Carrier State; D003815:Dentists; D006509:Hepatitis B / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission*; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission; D010347:Patient Care Planning; D010820:Physicians; D012306:Risk