RT Journal Article SR Electronic T1 Assessing asthma control: questionnaires and exhaled nitric oxide provide complementary information JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1419 OP 1420 DO 10.1183/09031936.00093008 VO 32 IS 5 A1 C. Lopes A1 J. Fonseca A1 L. Delgado A1 A. Moreira A1 R. Barros A1 P. Moreira A1 M. da G. Castelo-Branco YR 2008 UL http://erj.ersjournals.com/content/32/5/1419.abstract AB