Ragweed treatment problems.
D000328:Adult; D001249:Asthma / Q000150:complications; D002648:Child; D003888:Desensitization, Immunologic / Q000009:adverse effects; D004381:Duodenal Ulcer / Q000150:complications; D004391:Dust; D005658:Fungi; D006197:Hair; D006801:Humans; D019684:Magnoliopsida; D008297:Male; D006109:Poaceae; D011058:Pollen; D012008:Recurrence; D006255:Rhinitis, Allergic, Seasonal / Q000150:complications / Q000628:therapy*; D012621:Seasons
D004391:Dust