title: Nontraumatic subperiosteal orbital haemorrhage in an anaesthetised patient with surgery in the prone position.
authors.forename: Y L
authors.initials: YL
authors.lastname: Yang
authors.forename: Y C
authors.initials: YC
authors.lastname: Lee
authors.forename: H Y
authors.initials: HY
authors.lastname: Lai
authors.forename: Y
authors.initials: Y
authors.lastname: Lee
mesh_terms: D000768:Anesthesia, General; D005130:Eye Hemorrhage / Q000209:etiology*; D006801:Humans; D007431:Intraoperative Complications / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009915:Orbit / Q000098:blood supply*; D016684:Prone Position