title: Performance impairment revisited.
authors.forename: Howard M
authors.initials: HM
authors.lastname: Druce
mesh_terms: D000328:Adult; D000485:Allergens / Q000009:adverse effects*; D031164:Ambrosia / Q000009:adverse effects*; D001143:Arousal; D003072:Cognition Disorders / Q000209:etiology*; D006801:Humans; D009483:Neuropsychological Tests; D006255:Rhinitis, Allergic, Seasonal / Q000503:physiopathology*
chemical_list: D000485:Allergens