[The feedback mechanism of histamine in cedar pollinosis--discussion in comparison with the rates in season and out of season].
D005246:Feedback; D006636:Histamine Release; D006801:Humans; D011058:Pollen / Q000276:immunology*; D006255:Rhinitis, Allergic, Seasonal / Q000276:immunology*; D012621:Seasons; D014197:Trees