Assessment of problematic severe asthma in children
K.C. Lødrup Carlsen, G. Hedlin, A. Bush, G. Wennergren, F.M. de Benedictis, J.C. De Jongste, E. Baraldi, C. Pedroletti, A. Barbato, K. Malmström, P. Pohunek, S. Pedersen, G.L. Piacentini, R.J.M. Middelveld, K.H. Carlsen
European Respiratory Journal Feb 2011, 37 (2) 432-440; DOI: 10.1183/09031936.00091410