title: Safer factor VIII and IX.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission; D004340:Drug Contamination / Q000517:prevention & control; D005164:Factor IX / Q000009:adverse effects / Q000592:standards*; D005169:Factor VIII / Q000009:adverse effects / Q000592:standards*; D006526:Hepatitis C / Q000635:transmission; D006801:Humans
chemical_list: D005169:Factor VIII; D005164:Factor IX