Entropy of human leukocyte antigen and killer-cell immunoglobulin-like receptor systems in immune-mediated disorders: A pilot study on multiple sclerosis. oleh Maurizio Melis, Roberto Littera, Eleonora Cocco, Jessica Frau, Sara Lai, Elena Congeddu, Paola Ragatzu, Maria Serra, Valentina Loi, Roberta Maddi, Roberta Pitzalis, Sandro Orrù, Luchino Chessa, Andrea Perra, Carlo Carcassi