title: Is acupuncture or ultrasound therapy more efficacious for impingement syndrome?
authors.affiliation: McMaster University, North Hamilton Community Health Centre, Hamilton, Ontario, Canada.
authors.forename: Peter P
authors.initials: PP
authors.lastname: Dilworth
authors.forename: Eric
authors.initials: E
authors.lastname: Baker
authors.forename: Shaun
authors.initials: S
authors.lastname: Lapenskie