RT Journal Article SR Electronic T1 The changing face of acute rheumatic fever. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 579 OP 582 DO 10.1136/hrt.32.5.579 VO 32 IS 5 A1 E Besterman YR 1970 UL http://heart.bmj.com/content/32/5/579.abstract AB