title: An unusual clinical manifestation in a factor IX deficient patient: orbital haemorrhage without trauma.
authors: H Ü
authors: HÜ
authors: Teke
authors: O M
authors: OM
authors: Akay
authors: E
authors: E
authors: Gündüz
authors: S
authors: S
authors: Tokmak
authors: S
authors: S
authors: Saylisoy
mesh_terms: D006261:Headache / Q000209:etiology; D006406:Hematoma / Q000209:etiology*; D002836:Hemophilia B / Q000150:complications*; D006801:Humans; D008297:Male; D009916:Orbital Diseases / Q000209:etiology*; D055815:Young Adult