title: Patients' beliefs as to the cause of their low back pain.
authors.affiliation: M.R.C. Epidemiology and Medical Care Unit, Wolfson Institute of Preventive Medicine, St Bartholomew's and the Royal London School of Medicine and Dentistry, Charterhouse Square, London, UK.
authors.forename: M R
authors.initials: MR
authors.lastname: Underwood