TY  - RPRT
TI  - Peripheral venous contrast echocardiography.
AU  - J B Seward
AU  - A J Tajik
AU  - D J Hagler
AU  - D G Ritter
PY  - 1977
DO  - 10.1016/s0002-9149(77)80192-6
UR  - https://pubmed.ncbi.nlm.nih.gov/835477/
ID  - 835477
ER  -