RT Journal Article SR Electronic T1 Retail therapy JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 411 OP 412 DO 10.7861/clinmedicine.15-5-411 VO 15 IS 5 A1 Humphrey Hodgson YR 2015 UL http://www.rcpjournals.org/content/15/5/411.abstract