TY  - RPRT
TI  - Improved techniques in ultrasonic cross sectional echography.
AU  - G Kossoff
PY  - 1972
DO  - 10.1016/0041-624x(72)90296-x
UR  - https://pubmed.ncbi.nlm.nih.gov/4661298/
ID  - 4661298
ER  -