TY - RPRT TI - Fundamental limitations on the contrast-transfer efficiency in elastography: an analytic study. AU - F Kallel AU - M Bertrand AU - J Ophir PY - 1996 DO - 10.1016/0301-5629(95)02079-9 UR - https://pubmed.ncbi.nlm.nih.gov/8795173/ ID - 8795173 ER -