RT Journal Article SR Electronic T1 Response JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 402 OP 403 DO 10.7861/clinmedicine.15-4-402a VO 15 IS 4 A1 Jecko Thachil YR 2015 UL http://www.rcpjournals.org/content/15/4/402.2.abstract