title: Equine aortic regurgitation: The search for objective repeatable and reproducible indicators of severity.
authors.affiliation: Department of Veterinary Clinical Studies, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian EH25 9RG, UK. Electronic address: John.Keen@ed.ac.uk.
authors.forename: John A
authors.initials: JA
authors.lastname: Keen
mesh_terms: D000818:Animals; D001022:Aortic Valve Insufficiency; D004452:Echocardiography; D006736:Horses; D012720:Severity of Illness Index