TY  - RPRT
TI  - Doppler echocardiography. Will it help replace the need for cardiac catheterization?
AU  - J V Talano
PY  - 1986
DO  - 10.1378/chest.90.1.3
UR  - https://pubmed.ncbi.nlm.nih.gov/3720385/
ID  - 3720385
ER  -