TY  - RPRT
TI  - Open-access echocardiography.
AU  - A Davie
AU  - J McMurray
PY  - 1996
DO  - 10.1016/s0140-6736(05)65456-6
UR  - https://pubmed.ncbi.nlm.nih.gov/8918303/
ID  - 8918303
ER  -