title: Treatment of chronic asthma in children with a sustained-release preparation of theophylline in addition to beta 2-stimulating agents.
mesh_terms: D000293:Adolescent; D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002908:Chronic Disease; D003692:Delayed-Action Preparations; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008297:Male; D013806:Theophylline / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D000318:Adrenergic beta-Agonists; D003692:Delayed-Action Preparations; D013806:Theophylline