RT Journal Article SR Electronic T1 Diagnostic error: the Achilles' heel of patient safety? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 310 OP 311 DO 10.7861/clinmedicine.11-4-310 VO 11 IS 4 A1 John Scarpello YR 2011 UL http://www.rcpjournals.org/content/11/4/310.abstract