PT - JOURNAL ARTICLE AU - John Scarpello TI - Diagnostic error: the Achilles' heel of patient safety? AID - 10.7861/clinmedicine.11-4-310 DP - 2011 Aug 01 TA - Clinical Medicine PG - 310--311 VI - 11 IP - 4 4099 - http://www.rcpjournals.org/content/11/4/310.short 4100 - http://www.rcpjournals.org/content/11/4/310.full SO - Clin Med2011 Aug 01; 11