TY - RPRT TI - Improvement of elastographic displacement estimation using a two-step cross-correlation method. AU - Hao Chen AU - Hairong Shi AU - Tomy Varghese PY - 2007 DO - 10.1016/j.ultrasmedbio.2006.07.022 UR - https://pubmed.ncbi.nlm.nih.gov/17189046/ ID - 17189046 ER -