title: Burweed marshelder.
authors.affiliation: National Jewish Medical & Research Center, Denver, CO 80206, USA.
authors.forename: Richard W
authors.initials: RW
authors.lastname: Weber
mesh_terms: D000485:Allergens / Q000009:adverse effects*; D019659:Asteraceae / Q000009:adverse effects* / Q000145:classification*; D003877:Dermatitis, Contact / Q000209:etiology; D006801:Humans; D009656:North America; D011058:Pollen / Q000009:adverse effects*; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology*
chemical_list: D000485:Allergens