TY  - RPRT
TI  - Extra echo spaces: ultrasonography and computerised tomography correlations.
AU  - T Wada
AU  - M Honda
AU  - S Matsuyama
PY  - 1982
DO  - 10.1136/hrt.47.5.430
UR  - https://pubmed.ncbi.nlm.nih.gov/7073903/
ID  - 7073903
ER  -