RT Journal Article SR Electronic T1 Hospital episode statistics: time for radical change JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 23 OP 24 DO 10.7861/clinmedicine.12-1-23 VO 12 IS 1 A1 JG Williams A1 I Carpenter YR 2012 UL http://www.rcpjournals.org/content/12/1/23.abstract