title: The "Twin Study" and the misunderstanding of epidemiology that clouds occupational associations and low back disorder.
authors.forename: David
authors.initials: D
authors.lastname: McLean
authors.forename: Neil
authors.initials: N
authors.lastname: Pearce
authors.forename: Christopher B
authors.initials: CB
authors.lastname: Walls
authors.forename: Richard D
authors.initials: RD
authors.lastname: Wigley
mesh_terms: D006801:Humans; D015994:Incidence; D017116:Low Back Pain / Q000209:etiology* / Q000235:genetics*; D008297:Male; D009520:New Zealand; D009784:Occupational Diseases / Q000209:etiology*; D016273:Occupational Exposure / Q000009:adverse effects*; D012307:Risk Factors; D018433:Twin Studies as Topic; D014732:Vibration / Q000009:adverse effects