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Variability of the Doppler gradient in pulmonary valve stenosis before and after balloon dilatation.

    Citation

    Lim MK, Houston AB, Doig WB, et al
    Variability of the Doppler gradient in pulmonary valve stenosis before and after balloon dilatation.

    Publication history

    • First published September 1, 1989.
    Online issue publication 
    November 23, 2015

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