RT Journal Article SR Electronic T1 Lesson of the month (1) JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 350 OP 351 DO 10.7861/clinmedicine.8-3-350a VO 8 IS 3 A1 Mick Button YR 2008 UL http://www.rcpjournals.org/content/8/3/350.2.abstract AB