RT Journal Article SR Electronic T1 Interventional procedures: physician involvement enhances clinical coding JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 396 OP 396 DO 10.7861/clinmedicine.12-4-396 VO 12 IS 4 A1 Andrew Medford YR 2012 UL http://www.rcpjournals.org/content/12/4/396.1.abstract