title: Hepatitis B as a hazard to laboratory staff: a re-appraisal.
mesh_terms: D002353:Carrier State; D006509:Hepatitis B / Q000453:epidemiology / Q000517:prevention & control*; D006514:Hepatitis B Surface Antigens; D006801:Humans; D007757:Laboratory Infection / Q000453:epidemiology / Q000517:prevention & control*; D012449:Safety; D013048:Specimen Handling / Q000592:standards; D006113:United Kingdom
chemical_list: D006514:Hepatitis B Surface Antigens