I wonder about that statement, how good is the reference? What were the circumstances? I’d have to see the records. I don’t trust that.
Do you trust the British Medical Journal?
http://www.bmj.com/cgi/content/abstract/337/oct07_2/a1682?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=oregon&searchid=1&FIRSTINDEX=0&sortspec=date&resourcetype=HWCIT