title: Letter: Racemic epinephrine in croup.
mesh_terms: D000336:Aerosols; D002648:Child; D004837:Epinephrine / Q000008:administration & dosage / Q000627:therapeutic use*; D005069:Evaluation Studies as Topic; D006801:Humans; D007536:Isomerism; D007827:Laryngitis / Q000145:classification / Q000188:drug therapy*; D064705:Racepinephrine
chemical_list: D000336:Aerosols; D064705:Racepinephrine; D004837:Epinephrine