title: [Clinical trial of hepatitis B vaccine in a high-risk population].
mesh_terms: D000328:Adult; D004341:Drug Evaluation; D005260:Female; D006510:Hepatitis B Antibodies / Q000032:analysis; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D014765:Viral Vaccines / Q000009:adverse effects / Q000276:immunology*
chemical_list: D006510:Hepatitis B Antibodies; D014765:Viral Vaccines