title: Hepatitis-B vaccine. Tempers fray as production nears.
mesh_terms: D003001:Cloning, Molecular; D006509:Hepatitis B / Q000517:prevention & control*; D006511:Hepatitis B Antigens / Q000235:genetics; D006801:Humans; D014612:Vaccines / Q000600:supply & distribution*; D014944:World Health Organization
chemical_list: D006511:Hepatitis B Antigens; D014612:Vaccines