title: Determination of the specific gravity of ragweed pollen (Ambrosia eletior) and conversion of gravity sample counts to volumetric incidence.
authors.forename: J H
authors.initials: JH
authors.lastname: CRAWFORD
mesh_terms: D031164:Ambrosia; D052179:Antigens, Plant; D006112:Gravitation; D006801:Humans; D015994:Incidence; D010936:Plant Extracts; D013046:Specific Gravity
chemical_list: D052179:Antigens, Plant; D010936:Plant Extracts; C433085:ragweed pollen
keywords: RAGWEED