TY  - BOOK
AU  - Brown Elspeth M
AU  - Collis William B And Salmon Anthony P
AU  - Leung Terence S
TI  - Heart sound made easy
SN  - 9780443069079
U1  - 616.1207544 
PY  - 2008///
CY  - Edinburgh
PB  - Churchill livingstone (elsevier)
ER  -