Noninvasive estimation of tissue temperature response to heating fields using diagnostic ultrasound. - Ralf Seip; Emad S. Ebbini (IEEE Trans. Biomed. Eng., 1995)

Targeted Ultrasound-Mediated Delivery of Nanoparticles: On the Development of a New HIFU-Based Therapy and Imaging Device. - Ralf Seip; Chien Ting Chin; Christopher S. Hall; Balasundar I. Raju; Alexander Ghanem; Klaus Tiemann (IEEE Trans. Biomed. Eng., 2010)