RT Journal Article SR Electronic T1 Letters to the editor JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 323 OP 323 DO 10.7861/clinmedicine.14-3-323 VO 14 IS 3 A1 Fidan Yousuf A1 Tim Cross YR 2014 UL http://www.rcpjournals.org/content/14/3/323.1.abstract