Dr. Ntoulia is a Visiting Clinical Researcher. She completed her MD, Radiology Specialty and PhD at the University Hospital of Ioannina in Greece. As Research Fellow under the mentorship of Dr. Darge, Dr. Ntoulia was actively involved in filing two Investigational Drug Applications (INDs) with the U.S Food and Drug Administration (FDA), which enabled the implementation of Contrast Enhanced Ultrasound in the Department of Radiology at CHOP. She is currently involved in several projects that focus on the use of ultrasound contrast agents in children for various indications, including the diagnosis of vesicoureteral reflex, imaging of the kidneys and hips.