 Working with less common disorders, Chung has researched mutations and disease associations with Wolfram syndrome, Wolman disease, Leigh syndrome, glycogen storage disease type 111, and juvenile idiopathic arthritis.Chung's research on birth defects focuses on determining the genetic basis of birth defects, focusing predominately on congenital diaphragmatic hernia and congenital heart disease.Her studies on congenital diaphragmatic hernia have been published in the journals "Nature" and "Science", and have showed that mutations are only rare causes.