RT Journal Article SR Electronic T1 Antimicrobials: past, present and uncertain future JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 257 OP 258 DO 10.7861/clinmedicine.9-3-257 VO 9 IS 3 A1 Roger Finch YR 2009 UL http://www.rcpjournals.org/content/9/3/257.abstract