five asthmatic children ( 2 to 5 years ) with persistent crying-induced bronchospasm refractory to concomitant oral theophylline and metaproterenol for 4 weeks were selected for an 8-week uncontrolled study with nebulized metaproterenol 5 % and sodium cromoglycate 1 % .
C0006266
bronchospasm
C0039771
theophylline