(Circulation. 1999;100:2389.)
© 1999 American Heart Association, Inc.
In the article by Cheitlin et al that appeared in a previous issue of the journal (Circulation. 1999;99:168177), References 10 and 11 were incorrectly cited. The references should be listed as follows:
10. Center for Drug Evaluation and Research. Food and Drug Administration Web site. Postmarketing safety of sildenafil citrate (Viagra): summary of reports of death in Viagra users received from marketing (late March) through June 1998. Available at http:/www.fda.gov/cder/consumerinfo/viagraupdate721.htm. Accessed July 22, 1998.
11. Center for Drug Evaluation and Research. Food and Drug Administration Web site. Postmarketing safety of sildenafil citrate (Viagra): summary of reports of death in Viagra users received from marketing (late March) through July 1998. Available at http:/www.fda.gov/cder/consumerinfo/viagraupdate721.htm. Accessed August 31, 1998.
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