title: Letter: Rising factor VIII inhibitor titers after Konyne factor IX complex.
mesh_terms: D000939:Epitopes; D005164:Factor IX / Q000494:pharmacology*; D005169:Factor VIII / Q000037:antagonists & inhibitors* / Q000276:immunology; D006467:Hemophilia A / Q000188:drug therapy; D006487:Hemostasis / Q000187:drug effects; D006801:Humans
chemical_list: D000939:Epitopes; D005169:Factor VIII; D005164:Factor IX