title: Ketotifen in the prophylaxis of childhood asthma.
mesh_terms: D001249:Asthma / Q000517:prevention & control*; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007223:Infant; D007665:Ketotifen; D008297:Male; D010880:Piperidines / Q000627:therapeutic use*; D013876:Thiophenes / Q000627:therapeutic use*
chemical_list: D010880:Piperidines; D013876:Thiophenes; D007665:Ketotifen