Where is the allergic reaction in ragweed asthma?
D000328:Adult; D001249:Asthma / Q000276:immunology*; D006632:Histamine / Q000008:administration & dosage; D006801:Humans; D008517:Phytotherapy; D011058:Pollen / Q000008:administration & dosage; D013147:Spirometry
D006632:Histamine