RT Journal Article SR Electronic T1 Red flags in medical practice JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 251 OP 253 DO 10.7861/clinmedicine.11-3-251 VO 11 IS 3 A1 Ellen Welch YR 2011 UL http://www.rcpjournals.org/content/11/3/251.abstract