Irish Journal of Medical Science (1926-1967)March 1967, Volume 42, Issue 3, pp 137–140 | Cite asCorrigan’s buttonAuthorsAuthors and affiliationsJ. D. H. WiddessArticleFirst Online: 20 October 2008 14 Downloads 1 Citations This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer 1967Authors and AffiliationsJ. D. H. WiddessThere are no affiliations available