Another genetic variant of haemophilia B: haemophilia B Leyden.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005164:Factor IX / Q000032:analysis; D002836:Hemophilia B / Q000097:blood / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree
D005164:Factor IX