title: Lack of transmission of viral hepatitis type B after oral exposure to HBsAg-positive saliva.
mesh_terms: D004197:Disease Reservoirs; D006509:Hepatitis B / Q000635:transmission*; D006514:Hepatitis B Surface Antigens / Q000302:isolation & purification; D006801:Humans; D008348:Manikins; D012151:Resuscitation / Q000009:adverse effects* / Q000295:instrumentation; D012463:Saliva / Q000276:immunology
chemical_list: D006514:Hepatitis B Surface Antigens