title: Socioeconomic differences in severe back morbidity.
authors.affiliation: Department of Work Environment, University of Massachusetts Lowell, Lowell, MA 01854, USA. Laura_Punnett@uml.edu
authors.forename: L
authors.initials: L
authors.lastname: Punnett
mesh_terms: D001416:Back Pain / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D012959:Socioeconomic Factors