CD19 CAR T-Cell Therapy for Treatment of Chronic Graft-versus-Host Disease - Karamjeet S. Sandhu; Jessica Cheng; Patrick W. Mellors; Heather Dainton-Smith; Pierre Lao-Sirieix; Wolfram Brugger; Mary C. Clark; Elizabeth Budde; Jerome Ritz; Saar Gill; Stephen J. Forman (New England Journal of Medicine, 2026)