RT Journal Article SR Electronic T1 Precise diagnosis of airflow obstruction - does it matter for treatment? The assessment of reversibility: short-term JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1088 OP 1089 DO 10.1183/09031936.93.03091088 VO 3 IS 9 A1 R Wettengel YR 1990 UL http://erj.ersjournals.com/content/3/9/1088.abstract AB