RT Journal Article SR Electronic T1 Prevention of infective endocarditis. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 691 OP 692 DO 10.1136/hrt.46.6.691 VO 46 IS 6 A1 H A Fleming A1 S W Newsom YR 1981 UL http://heart.bmj.com/content/46/6/691.abstract AB