Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleReasons to be cheerful (times three).AuthorsMain J; Main, JohnPublicationJournal of the Royal Society of Medicine, 2006, Vol 99, Issue 12, p648ISSN0141-0768Publication typeletterDOI10.1258/jrsm.99.12.648