RT Journal Article SR Electronic T1 Infective endocarditis – new guidance recommends a more aggressive approach JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 489 OP 490 DO 10.7861/clinmedicine.4-6-489 VO 4 IS 6 A1 Martin R Cowie YR 2004 UL http://www.rcpjournals.org/content/4/6/489.abstract AB