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Variation in the tumour necrosis factor gene is not associated with susceptibility to COPD
S. Chappell, L. Daly, K. Morgan, T. G. Baranes, J. Roca, R. Rabinovich, A. Millar, S. C. Donnelly, V. Keatings, W. MacNee, J. Stolk, P. S. Hiemstra, M. Miniati, S. Monti, C. M. O'Connor, N. Kalsheker
European Respiratory Journal 30 (4) 810-812; DOI: 10.1183/09031936.00057107 Published 28 September 2007