Moody William, Loudon Margaret, Watkin Richard, Steeds Richard, Prendergast Bernard
Queen Elizabeth Hospital, University Hospital Birmingham NHS Foundation Trust, Edgbaston, Birmingham, West Midlands, B15 2TH, UK.
Postgrad Med J. 2011 Mar;87(1025):240. doi: 10.1136/pgmj.2010.107946. Epub 2011 Jan 21.