Monitoring Dual VEGF Inhibition in Human Pancreatic Tumor Xenografts With Dynamic Contrast-Enhanced Ultrasound oleh Michele Lamuraglia MD, PhD, Guillaume Barrois PhD, Delphine Le Guillou-Buffello PhD, Mathieu Santin PhD, Anne Kerbol MD, Eva Comperat MD, Alain Coron PhD, Olivier Lucidarme MD, PhD, S. Lori Bridal PhD