title: Physical therapy, chiropractic manipulation, or an educational booklet for back pain.
authors.forename: E A
authors.initials: EA
authors.lastname: Lachmann
authors.forename: R S
authors.initials: RS
authors.lastname: Tunkel
authors.forename: W
authors.initials: W
authors.lastname: Nagler
mesh_terms: D006801:Humans; D017116:Low Back Pain / Q000628:therapy*; D026741:Physical Therapy Modalities / Q000379:methods*