Resolving human α versus β cell fate allocation for the generation of stem cell-derived islets. - Akgün Canan M; Cozzitorto C; Sterr M; Saber L; Setyono ESA; Dema A; Kozawa K; Wang X; Merl-Pham J; Greisle T; Burtscher I; Lickert H (Nature communications, 2026)