TY  - RPRT
TI  - Recognizing normal heart murmurs: a logic-based mnemonic.
AU  - S O Sapin
PY  - 1997
DO  - 10.1542/peds.99.4.616
UR  - https://pubmed.ncbi.nlm.nih.gov/9093313/
ID  - 9093313
ER  -