A strategy that works.
Bond
B R
BR
D000280:Administration, Inhalation; D000318:Adrenergic beta-Agonists / Q000008:administration & dosage*; D001249:Asthma / Q000517:prevention & control*; D004359:Drug Therapy, Combination; D006801:Humans; D010349:Patient Compliance; D013256:Steroids / Q000008:administration & dosage*
D000318:Adrenergic beta-Agonists; D013256:Steroids