S928 Effect of Etrasimod on Circulating Lymphocytes in Patients With Moderately to Severely Active Ulcerative Colitis: Data From the Phase 3 ELEVATE UC 52 and ELEVATE UC 12 TrialsSilvio Danese, Britta Siegmund, Rathi D. Ryan et al.|The American Journal of Gastroenterology|2022Cited by 4