Air pollution and asthma: the dog that doesn't always bark.
Burney
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Department of Public Health Sciences, Guy's, King's, and St Thomas' School of Medicine, London, UK.
D000368:Aged; D000397:Air Pollution / Q000009:adverse effects*; D000485:Allergens / Q000009:adverse effects*; D000818:Animals; D001249:Asthma / Q000453:epidemiology / Q000209:etiology*; D002648:Child; D004196:Disease Outbreaks; D006801:Humans
D000485:Allergens