American Journal of Cardiology
Volume 101, Issue 12 , Pages 1801-1804 , 15 June 2008

The Ladder Diagram (A 100+ Year History)

Received 19 January 2008 ,Revised 10 February 2008 ,Accepted 10 February 2008.

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PII: S0002-9149(08)00386-X

doi: 10.1016/j.amjcard.2008.02.085

American Journal of Cardiology
Volume 101, Issue 12 , Pages 1801-1804 , 15 June 2008

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