title: New activated factors IX product in haemophilia.
mesh_terms: D000293:Adolescent; D001323:Autoantibodies / Q000032:analysis; D005164:Factor IX / Q000627:therapeutic use*; D015949:Factor IXa; D005169:Factor VIII / Q000276:immunology; D006395:Hemarthrosis / Q000628:therapy*; D006467:Hemophilia A / Q000628:therapy*; D006801:Humans; D008297:Male; D006472:Oral Hemorrhage / Q000188:drug therapy
chemical_list: D001323:Autoantibodies; D005169:Factor VIII; D005164:Factor IX; D015949:Factor IXa