title: Smoking and back pain.
authors.forename: E
authors.initials: E
authors.lastname: Ernst
mesh_terms: D000328:Adult; D001416:Back Pain / Q000209:etiology*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012907:Smoking / Q000009:adverse effects*
chemical_list: D003276:Contraceptives, Oral