Lübbeke A, Rothman KJ, Garavaglia G, Barea C, Christofilopoulos P, Stern R, Hoffmeyer P. Strong association between smoking and the risk of revision in a cohort study of patients with metal-on-metal total hip arthroplasty. J Orthop Res. 2014 Jun;32(6):762-8. doi: 10.1002/jor.22603