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Bronchial hyperresponsiveness in young students of southern China: relation to respiratory symptoms, diagnosed asthma, and risk factors.
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    Zhong NS, Chen RC, O-yang M, et al
    Bronchial hyperresponsiveness in young students of southern China: relation to respiratory symptoms, diagnosed asthma, and risk factors.

    Publication history

    • First published November 1, 1990.
    Online issue publication 
    November 01, 1990

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