The distribution of ragweed pollen and alternaria spores in the upper atmosphere.
D000485:Allergens; D000528:Alternaria; D052179:Antigens, Plant; D001272:Atmosphere; D006801:Humans; D010936:Plant Extracts; D011058:Pollen / Q000600:supply & distribution*; D013172:Spores, Fungal
POLLEN/distribution