Research index·Journal articleCorrectionVeterinary Record·1 Apr 2008DOI10.1136/vr.162.15.474Journal articleCorrectionVeterinary Record · 2008 · SubscriptionDOI10.1136/vr.162.15.474ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsMedicineComputer scienceRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report