title: Exercise therapy for nonspecific low-back pain: a meta-analysis.
authors.affiliation: McMaster University, Hamilton, Ontario, Canada.
authors.forename: Lawrence
authors.initials: L
authors.lastname: Hart
mesh_terms: D005081:Exercise Therapy; D006801:Humans; D017116:Low Back Pain / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic