RT Journal Article SR Electronic T1 Complexity of treatment decisions with older patients JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 114 OP 115 DO 10.7861/clinmedicine.8-1-114a VO 8 IS 1 A1 Roger A Fisken YR 2008 UL http://www.rcpjournals.org/content/8/1/114.2.abstract AB