title: Do factor VIII concentrates cause passive immunization to hepatitis B in multitransfused patients?
mesh_terms: D005169:Factor VIII / Q000627:therapeutic use*; D006509:Hepatitis B / Q000276:immunology*; D006801:Humans; D007116:Immunization, Passive; D065227:Transfusion Reaction
chemical_list: D005169:Factor VIII