RT Journal Article SR Electronic T1 In response JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 93 OP 94 DO 10.7861/clinmedicine.9-1-93a VO 9 IS 1 A1 Gul Bano A1 Stephen Nussey YR 2009 UL http://www.rcpjournals.org/content/9/1/93.2.abstract