the efficacy of nedocromil sodium ( ned ) ( 4 mg twice daily ) and beclomethasone dipropionate ( bdp ) ( 200 micrograms twice daily ) in controlling the symptoms of asthma , the pulmonary function , and bronchial responsiveness to histamine was assessed in a double-blind , double-dummy , crossover study of 39 adult patients with chronic asthma .
C0004906
beclomethasone
C0004096
asthma