title: Ultrasonography of the shoulder: pitfalls and variants.
authors.affiliation: Popowich-Diagnostic Imaging, Guelph General Hospital, Guelph.
authors.forename: Lawrence
authors.initials: L
authors.lastname: Friedman
authors.forename: Karen
authors.initials: K
authors.lastname: Finlay
authors.forename: Terry
authors.initials: T
authors.lastname: Popowich
authors.forename: Eric
authors.initials: E
authors.lastname: Jurriaans
mesh_terms: D001175:Arthrography; D003951:Diagnostic Errors; D006801:Humans; D008279:Magnetic Resonance Imaging; D009140:Musculoskeletal Diseases / Q000150:complications / Q000175:diagnosis; D012680:Sensitivity and Specificity; D012782:Shoulder / Q000000981:diagnostic imaging*; D012784:Shoulder Fractures / Q000150:complications / Q000175:diagnosis; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography