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D001249:Asthma / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control*; D002648:Child; D004032:Diet; D004777:Environment; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000517:prevention & control; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D012907:Smoking / Q000009:adverse effects