title: A preliminary study on hepatitis B vaccine.
mesh_terms: D000293:Adolescent; D000818:Animals; D002986:Clinical Trials as Topic; D005260:Female; D006511:Hepatitis B Antigens; D006801:Humans; D008297:Male; D051379:Mice; D051381:Rats; D014611:Vaccination; D014765:Viral Vaccines / Q000302:isolation & purification / Q000592:standards
chemical_list: D006511:Hepatitis B Antigens; D014765:Viral Vaccines