title: The District of Columbia Medical Society ragweed pollen count.
authors.forename: E W
authors.initials: EW
authors.lastname: KAILIN
mesh_terms: D031164:Ambrosia; D052179:Antigens, Plant; D004219:District of Columbia; D006801:Humans; D010936:Plant Extracts; D012955:Societies, Medical
chemical_list: D052179:Antigens, Plant; D010936:Plant Extracts; C433085:ragweed pollen
keywords: RAGWEED