GOLD and the fixed ratio
P.H. Quanjer, P.L. Enright, G. Ruppel, M.R. Miller, C.A. Vaz Fragoso, B.G. Cooper, M.P. Swanney, S. Stanojevic, R.L. Jensen, J.P. Schouten, E. Falaschetti, J. Stocks
European Respiratory Journal 2011 38: 482-484; DOI: 10.1183/09031936.00063211