Low regulatory T-cells frequency is associated with graft rejection after small bowel transplantation: Clinical and experimental evidence - Papa-Gobbi R; Stringa P; Gentilini MV; Ivanoff I; Machuca M; Arreola NM; Serradilla J; Estefanía-Fernández K; Talayero P; Velayos M; Sánchez?Zapardiel E; Gondolesi G; et al. (Plos One, 2025)