title: Subacromial corticosteroid injection using the posterior or lateral shoulder portals.
authors.affiliation: Department of Orthopaedics and Trauma, The Royal Infirmary of Edinburgh, Little France, Edinburgh, EH16 4SA, United Kingdom.
authors.forename: Neil R
authors.initials: NR
authors.lastname: Wickramasinghe
authors.forename: Nicholas D
authors.initials: ND
authors.lastname: Clement
authors.forename: Daniel E
authors.initials: DE
authors.lastname: Porter