RT Journal Article SR Electronic T1 Risk communication JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 661 OP 661 DO 10.7861/clinmedicine.5-6-661a VO 5 IS 6 A1 James AO Ahlquist YR 2005 UL http://www.rcpjournals.org/content/5/6/661.2.abstract AB