title: [A study on infectivity of HBSAg positive saliva].
authors.forename: Z S
authors.initials: ZS
authors.lastname: Dai
mesh_terms: D002353:Carrier State; D004279:DNA, Viral / Q000032:analysis; D006509:Hepatitis B / Q000635:transmission*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D011863:Radioimmunoassay; D012463:Saliva / Q000276:immunology*
chemical_list: D004279:DNA, Viral; D006514:Hepatitis B Surface Antigens