title: A low-cost ultrasound phantom of the lumbosacral spine.
authors.affiliation: Department of Anesthesia and Pain Management, Wasser Pain Management Centre, Mt Sinai Hospital, University of Ontario, Canada.
authors.forename: Geoff A
authors.initials: GA
authors.lastname: Bellingham
authors.forename: Philip W H
authors.initials: PW
authors.lastname: Peng