Phenix, Christopher Peter, Melissa Togtema, Samuel Pichardo, Ingeborg Zehbe, and Laura Curiel. “High Intensity Focused Ultrasound Technology, Its Scope and Applications in Therapy and Drug Delivery”. Journal of Pharmacy & Pharmaceutical Sciences 17, no. 1 (March 31, 2014): 136–153. Accessed October 17, 2021. https://journals.library.ualberta.ca/jpps/index.php/JPPS/article/view/21121.