On two heart cases which presented a rare form of irregularity : from Dr. G.W. Balfour's "Clinique" / by Charles S. Roy.
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On two heart cases which presented a rare form of irregularity : from Dr. G.W. Balfour's "Clinique" / by Charles S. Roy. Credit: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.. Public Domain Mark