TY - RPRT TI - A relationship between ultrasonic integrated backscatter and myocardial contractile function. AU - S A Wickline AU - L J Thomas AU - J G Miller AU - B E Sobel AU - J E Perez PY - 1985 DO - 10.1172/jci112221 UR - https://pubmed.ncbi.nlm.nih.gov/3908482/ ID - 3908482 ER -