title: Beginner's guide to primary inhalant allergens. Part 3: Weed and fern families.
authors.affiliation: Massachusetts Eye & Ear Infirmary, Boston.
authors.forename: B R
authors.initials: BR
authors.lastname: Gordon
mesh_terms: D000485:Allergens; D006801:Humans; D006109:Poaceae; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal; D014481:United States
chemical_list: D000485:Allergens