Authors: Chris Parker; Matthew R Sydes; Charles Catton; Howard Kynaston; John Logue; Claire Murphy; Rachel C Morgan; Kilian Mellon; Chris Morash; Wendy Parulekar; Mahesh K B Parmar; Heather Payne; Colleen Savage; Jim Stansfeld; Noel W Clarke Journal: BJU Int Date: 2007-04-08 Impact factor: 5.588