title: [Frequency and back ground of back pains in young persons].
authors.affiliation: TYKS:n fysiatrian yksikkö Kiinamyllynkatu 4-8 20520 Turku. jouko.salminen@tyks.fi
authors.forename: J J
authors.initials: JJ
authors.lastname: Salminen
authors.forename: U
authors.initials: U
authors.lastname: Kujala
mesh_terms: D000367:Age Factors; D001416:Back Pain / Q000175:diagnosis* / Q000453:epidemiology; D005387:Finland / Q000453:epidemiology; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis / Q000453:epidemiology; D012307:Risk Factors