title: Letter: Questions and comments on asthma therapy.
mesh_terms: D000336:Aerosols; D000628:Aminophylline / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy*; D001769:Blood; D002648:Child; D004837:Epinephrine / Q000627:therapeutic use; D006760:Hospitalization; D006801:Humans; D006863:Hydrogen-Ion Concentration; D012138:Respiratory Therapy
chemical_list: D000336:Aerosols; D000628:Aminophylline; D004837:Epinephrine