title: Unusual case of haemophilia B.
authors.forename: P M
authors.initials: PM
authors.lastname: Crossley
authors.forename: P R
authors.initials: PR
authors.lastname: Winship
authors.forename: A
authors.initials: A
authors.lastname: Black
authors.forename: C R
authors.initials: CR
authors.lastname: Rizza
authors.forename: G G
authors.initials: GG
authors.lastname: Brownlee
mesh_terms: D002648:Child; D005164:Factor IX / Q000235:genetics*; D002836:Hemophilia B / Q000235:genetics* / Q000503:physiopathology; D006801:Humans; D008297:Male; D009154:Mutation
chemical_list: D005164:Factor IX