TY - RPRT TI - Dynamically variable electronic delays for ultrasound imaging. AU - L Landini AU - F Santarelli AU - F Pomata AU - L Verrazzani PY - 1991 DO - 10.1016/0141-5425(91)90092-l UR - https://pubmed.ncbi.nlm.nih.gov/1770806/ ID - 1770806 ER -