title: On-the-job back exercises.
authors.affiliation: Back Program, Graduate Hospital, Philadelphia, PA.
authors.forename: S J
authors.initials: SJ
authors.lastname: Gates
mesh_terms: D001416:Back Pain / Q000517:prevention & control*; D006801:Humans; D009726:Nurses; D009784:Occupational Diseases / Q000517:prevention & control*; D005082:Physical Exertion