Lymphocyte Sub-population in Rectal Biopsies of Horses with Recurrent Colics and Malabsorption (Unhappy Hindgut Syndrome): A Preliminary Study on Morphology and Immune Microenvironment After Recovery. (February 2022) - Passeri, B.; Cantoni, A.M.; Di Lecce, R.; Cotti, C.; Campanini, N.; Corradi, A.; Magri, M.; Paggi, S.; Morandotti, F.; Armando, F.