RT Journal Article SR Electronic T1 Semi-creative tension? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 499 OP 500 DO 10.7861/clinmedicine.2-6-499 VO 2 IS 6 A1 Douglas Black YR 2002 UL http://www.rcpjournals.org/content/2/6/499.abstract AB