RT Journal Article SR Electronic T1 Adverse drug interactions JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 19 OP 22 DO 10.7861/clinmedicine.5-1-19 VO 5 IS 1 A1 John Feely A1 Michael Barry YR 2005 UL http://www.rcpjournals.org/content/5/1/19.abstract AB