TY  - RPRT
TI  - Retrospective dynamic transmit focusing.
AU  - S Freeman
AU  - P C Li
AU  - M O'Donnell
PY  - 1995
DO  - 10.1177/016173469501700301
UR  - https://pubmed.ncbi.nlm.nih.gov/8772263/
ID  - 8772263
ER  -