Effect of theophylline, ephedrine and their combination upon exercise-induced airway obstruction.

Badiei B, Faciane J, Sly R M

Ann Allergy. 1975 Jul;35(1):32-6.

Statisically significant protection against exercise-induced asthma followed administration of theophylline, ephedrine or their combination to 16 asthmatic children in a double-blind, cross-over study.