TY  - RPRT
TI  - Cardiac imaging using a phased array ultrasound system. I. System design.
AU  - O T vonRamm
AU  - F L Thurstone
PY  - 1976
DO  - 10.1161/01.cir.53.2.258
UR  - https://pubmed.ncbi.nlm.nih.gov/1245033/
ID  - 1245033
ER  -