title: The therapeutic efficacy of Symmetrel (amantadine hydrochloride) in naturally occurring influenza A2 respiratoy illness.
mesh_terms: D000547:Amantadine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D007251:Influenza, Human / Q000188:drug therapy*; D010919:Placebos
chemical_list: D010919:Placebos; D000547:Amantadine