Headaches from airborne allergens.
D000328:Adult; D000368:Aged; D000393:Air Pollutants / Q000009:adverse effects*; D000485:Allergens; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D012621:Seasons
D000393:Air Pollutants; D000485:Allergens