TY  - RPRT
TI  - [Heart sound recognition algorithm based on PNN for evaluating cardiac contractility change trend].
AU  - Xingming Guo
AU  - Yan Yan
AU  - Xiaoshuai Yao
AU  - Shouzhong Xiao
PY  - 2006
UR  - https://pubmed.ncbi.nlm.nih.gov/17121325/
ID  - 17121325
ER  -