File:Einthoven ECG2.jpg: Difference between revisions

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Used with permission of the Einthoven Foundation, The Netherlands.
== Summary ==
{{Information
|Description=Early electrocardiography involved dipping limbs in salt baths for good electrical contact
|Source=Used with permission of the Einthoven Foundation, The Netherlands.
[http://www.hartcentrum.nl/einthoven/historical-pictures Leiden Heartcenter ]
[http://www.hartcentrum.nl/einthoven/historical-pictures Leiden Heartcenter ]
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