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Science 27 April 1990:
Vol. 248. no. 4954, p. 424
DOI: 10.1126/science.424-b
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Articles

Heart Like a Wheel

A relatively simple model of electrical activity in the heart may help explain sudden coronary deaths

Robert Pool

In the Research News article by Robert Pool, "Heart like a wheel" (16 Mar., p. 1294), the Purkinje fibers were incorrectly identified as a system of nerves. They are instead modified heart muscle cells that are specialized for high-speed conduction.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)