title: Hepatitis B and the health worker: prospective studies in perspective.
mesh_terms: D003428:Cross Infection / Q000517:prevention & control / Q000635:transmission*; D006509:Hepatitis B / Q000517:prevention & control / Q000635:transmission*; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D011446:Prospective Studies; D012306:Risk
chemical_list: D006511:Hepatitis B Antigens