title: Letter: Status asthmaticus.
mesh_terms: D000328:Adult; D000367:Age Factors; D001249:Asthma / Q000188:drug therapy / Q000628:therapy*; D002675:Child, Preschool; D006801:Humans; D013806:Theophylline / Q000627:therapeutic use
chemical_list: D013806:Theophylline