PEDIATRICS Vol. 56 No. 5s November 1975, pp. 927-929
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Modification of Cycloergometer-Induced Bronchospasm With Cromolyn Sodium

William E. Pierson M.D.1, Gail G. Shapiro M.D.1, and C. Warren Bierman M.D.1

1 Department of Pediatrics, University of Washington School of Medicine, Seattle

Cycloergometer exercise-induced bronchospasm was significantly diminished by pretreatment with sodium cromolyn. This effect was most pronounced in the large airways as manifested by changes in forced expiratory volume in one second.