Christmas factor inhibitor.
D001803:Blood Transfusion; D002648:Child; D002850:Chromatography, Gel; D005164:Factor IX / Q000032:analysis / Q000037:antagonists & inhibitors*; D002836:Hemophilia B / Q000097:blood* / Q000628:therapy; D006801:Humans; D007112:Immunity, Maternally-Acquired; D008297:Male; D008722:Methods
D005164:Factor IX