RT Journal Article SR Electronic T1 Use of the Asthma Control Questionnaire by the Asthma Clinical Research Network JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1242 OP 1242 DO 10.1183/09031936.00054711 VO 38 IS 5 A1 M.J. Walter A1 M. Castro A1 E. Israel A1 C.A. Sorkness YR 2011 UL http://erj.ersjournals.com/content/38/5/1242.abstract AB