title: Diagnostic ophthalmology. Bilateral preganglionic Horner's syndrome.
authors.affiliation: Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4.
authors.forename: Bruce H
authors.initials: BH
authors.lastname: Grahn
authors.forename: Monique
authors.initials: M
authors.lastname: Mayer
authors.forename: Lynne S
authors.initials: LS
authors.lastname: Sandmeyer
mesh_terms: D000818:Animals; D003937:Diagnosis, Differential; D004283:Dog Diseases / Q000175:diagnosis*; D004285:Dogs; D006732:Horner Syndrome / Q000175:diagnosis / Q000662:veterinary*; D008297:Male