Breathing may be dangerous to your health: some days are more dangerous than others.
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Glanville
D000397:Air Pollution / Q000009:adverse effects*; D001988:Bronchiolitis / Q000209:etiology*; D006801:Humans; D016040:Lung Transplantation / Q000009:adverse effects*; D008214:Lymphocytes / Q000473:pathology*