Indirect MR arthrography of the knee: effects of low-intensity ultrasound on the diffusion rate of intravenously administered Gd-DTPA in healthy volunteers.

Weishaupt D, Schweitzer ME, Rawool NM, et al. Indirect MR arthrography of the knee: Effects of low-intensity ultrasound on the diffusion rate of intravenously administered Gd-DTPA in healthy volunteers. Invest Radiol 2001;36:493–499.rationale and objectives. To evaluate whether application of low-in