title: Alternative sources of hepatitis B vaccine.
mesh_terms: D000818:Animals; D006514:Hepatitis B Surface Antigens / Q000235:genetics; D017325:Hepatitis B Vaccines; D002679:Pan troglodytes; D010455:Peptides / Q000138:chemical synthesis; D014765:Viral Vaccines / Q000302:isolation & purification*
chemical_list: D006514:Hepatitis B Surface Antigens; D017325:Hepatitis B Vaccines; D010455:Peptides; D014765:Viral Vaccines