TY - RPRT TI - Dynamic cardiac imaging using a focused, phased-array ultrasound system. AU - J A Kisslo AU - O T vonRamm AU - F L Thurstone PY - 1977 DO - 10.1016/0002-9343(77)90118-8 UR - https://pubmed.ncbi.nlm.nih.gov/879196/ ID - 879196 ER -