CEACAM1 regulates CD8+ T cell immunity and protects from severe pathology during Citrobacter rodentium induced colitis. - Zöller J; Ebel JF; Khairnar V; Schmitt V; Klopfleisch R; Meiners J; Seiffart V; Hansen W; Buer J; Singer BB; Lang KS; Westendorf AM (Gut microbes, 2020)