RT Journal Article SR Electronic T1 Sir Douglas Black (1913–2002) JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 85 OP 85 DO 10.7861/clinmedicine.3-1-85 VO 3 IS 1 A1 John M Evanson YR 2003 UL http://www.rcpjournals.org/content/3/1/85.1.abstract AB