title: The size and weight of common allergenic pollens. An investigation of their number per microgram and seze distribution.
mesh_terms: D000485:Allergens; D006801:Humans; D006813:Humidity; D006967:Hypersensitivity / Q000175:diagnosis; D019684:Magnoliopsida; D008722:Methods; D006109:Poaceae; D011058:Pollen; D014197:Trees
chemical_list: D000485:Allergens