TY  - RPRT
TI  - Open-access echocardiography.
AU  - J W Inglesfield
PY  - 1996
DO  - 10.1016/s0140-6736(05)65455-4
UR  - https://pubmed.ncbi.nlm.nih.gov/8918302/
ID  - 8918302
ER  -