title: [Study on HBV transmission by daily life contact. Double sera investigation of HBV infection in college students].
authors.forename: Z K
authors.initials: ZK
authors.lastname: Qiao
authors.forename: B H
authors.initials: BH
authors.lastname: Gai
mesh_terms: D000293:Adolescent; D000328:Adult; D006509:Hepatitis B / Q000635:transmission*; D006512:Hepatitis B Core Antigens / Q000032:analysis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D011446:Prospective Studies
chemical_list: D006512:Hepatitis B Core Antigens; D006514:Hepatitis B Surface Antigens