This story is part of our UCSF People series, highlighting the many dedicated individuals across the UCSF community who advance health worldwide through research, education, and clinical care in their ...

Sabina Ali, MD (front) uses a new intestinal ultrasound (IUS) machine on Dhiya Ravikumar (back) at the UCSF Benioff Children’s Hospital in Walnut Creek. Photo by Brian Feulner Dhiya Ravikumar would ...