title: Letter: Factor-VIII inhibitor bypassing activity.
mesh_terms: D005164:Factor IX / Q000627:therapeutic use*; D005169:Factor VIII / Q000037:antagonists & inhibitors*; D006467:Hemophilia A / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D005169:Factor VIII; D005164:Factor IX