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Changes in the FEV1/FVC ratio during childhood and adolescence: an intercontinental study
P.H. Quanjer, S. Stanojevic, J. Stocks, G.L. Hall, K.V.V. Prasad, T.J. Cole, M. Rosenthal, R. Perez-Padilla, J.L. Hankinson, E. Falaschetti, M. Golshan, B. Brunekreef, O. Al-Rawas, J. Kühr, Y. Trabelsi, M.S.M. Ip on behalf of the Global Lungs Initiative
European Respiratory Journal 36 (6) 1391-1399; DOI: 10.1183/09031936.00164109 Published 30 November 2010