Journal of the American College of CardiologyVolume 30, Issue 1, July 1997, Pages 260-315ConferenceAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0735-1097(97)00150-2Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1997 Published by Elsevier Inc.