Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Ballard, David H." or (type any "bookEditor issueEditor" and editor="Ballard, David H.") Add to list Journal Article A1 open access Defining radiological healing in perianal fistulizing Crohn’s disease : a TOpClass global expert Delphi consensus Easan Anand, Jalpa Devi, David H. Ballard, Shivani Joshi, Phil Tozer, Ailsa Hart, Anna Antoniou, Parakkal Deepak, Jaap Stoker, Phillip Lung, et al. (2026) CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 24(1). p.190-200