. 1991 Jul;46(7):544.
AUTHOR'S REPLY
David C Weir
1
David C Weir
1Department of Respiratory Medicine, East Birmingham Hospital, Birmingham B9 5ST
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1Department of Respiratory Medicine, East Birmingham Hospital, Birmingham B9 5ST
PMCID: PMC463263
See the letter "Measures of reversibility in response to bronchodilators in chronic airflow obstruction." on page 544c.