PT - JOURNAL ARTICLE AU - Packe, G E TI - Measures of reversibility in response to bronchodilators in chronic airflow obstruction. AID - 10.1136/thx.46.7.544-b DP - 1991 Jul 01 TA - Thorax PG - 544--544 VI - 46 IP - 7 4099 - http://thorax.bmj.com/content/46/7/544.3.short 4100 - http://thorax.bmj.com/content/46/7/544.3.full SO - Thorax1991 Jul 01; 46