RT Journal Article SR Electronic T1 Assessing and ensuring drug compliance in chronic respiratory disease. SEPCR-ERS Workshop. Wiesbaden, 1990 JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 122 OP 145 DO 10.1183/09031936.93.05010122a VO 5 IS 1 YR 1992 UL http://erj.ersjournals.com/content/5/1/122.2.abstract