title: Hertel exophthalmometry: the most appropriate measuring technique.
authors.forename: N P
authors.initials: NP
authors.lastname: O'Donnell
authors.forename: M
authors.initials: M
authors.lastname: Virdi
authors.forename: E G
authors.initials: EG
authors.lastname: Kemp
mesh_terms: D005094:Exophthalmos / Q000175:diagnosis*; D006801:Humans; D015588:Observer Variation; D009885:Ophthalmology / Q000295:instrumentation*