An approximate nonlinear model for time gain compensation of amplitude modulated images of ultrasound contrast agent perfusion. by Mari, J, Hibbs, K, Stride, E, Eckersley, R, Tang, M

Nonlinear propagation of ultrasound through microbubble clouds: A novel numerical implementation by Hibbs, K, Mari, J, Stride, E, Eckersley, R, Noble, A, Tang, M, IEEE