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Non-invasive observations on initial low frequency vibrations of the first heart sound--correlation with the 'presystolic' murmur in mitral stenosis.
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    Armstrong TG, Mitha AS, Matisonn RE, et al
    Non-invasive observations on initial low frequency vibrations of the first heart sound--correlation with the 'presystolic' murmur in mitral stenosis.

    Publication history

    • First published July 1, 1978.
    Online issue publication 
    July 01, 1978

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