RT Journal Article SR Electronic T1 The Leucocyte Count in Rheumatic Heart Disease in Childhood JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 247 OP 254 DO 10.1136/adc.4.23.247 VO 4 IS 23 A1 C. Bruce Perry YR 1929 UL http://adc.bmj.com/content/4/23/247.abstract AB