title: [Preseason treatment of hay fever by delayed action extracts].
mesh_terms: D003692:Delayed-Action Preparations; D003888:Desensitization, Immunologic; D006801:Humans; D008722:Methods; D010936:Plant Extracts / Q000627:therapeutic use; D010944:Plants; D006255:Rhinitis, Allergic, Seasonal / Q000628:therapy*; D012621:Seasons
chemical_list: D003692:Delayed-Action Preparations; D010936:Plant Extracts
vernacular_title: Traitement présaisonnier du rhume des foins par les extraits semi-retard.