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Garrison-Morton-Norman History of Medicine

MARCHAND, Richard

1 entries in the GMN corpus.

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1877

#823.1

Beiträge zur Kenntniss der Reizwell und Contractionswelle des Herzmuskels.

MARCHAND, Richard

Marchand obtained the first electrocardiogram. Using the differential rheotome he measured the time course of the potential variations from the frog’s heart.