title: [Annual meadowgrass (Poa annua L.) pollinosis. Early spring pollinosis caused by grass pollens].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006801:Humans; D007564:Japan; D008875:Middle Aged; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology*; D012621:Seasons