In the editorial, “Type 5 Phosphodiesterase Inhibition: The Focus Shifts to the Heart,” by Marc J. Semigran, which appeared in the October 25, 2005, issue of Circulation (Circulation. 2005;112:2589--2591), the name of the first author of the paper to which the editorial refers was misspelled repeatedly. In the editorial, the name appeared as “Bourlaug”; however, the correct spelling is “Borlaug.” A correction has been published in the February 21, 2006, issue of the journal, and a revised version of the article has been posted at http://circ.ahajournals.org/cgi/content/full/112/17/2589. The version of the editorial originally published on October 25, 2005, is provided below for reference.

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