Research index·Journal articleReader communicationHeart & Lung·1 Sep 2006·Open accessDOI10.1016/s0147-9563(06)00189-0Journal articleOpen accessReader communicationHeart & Lung · 2006DOI10.1016/s0147-9563(06)00189-0ReadRead PDFSaveCiteAdd to literature reviewDiscussionAdd to the discussionTopicsMedicineRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report