Study of T-cell activation in type I diabetic patients and pre-type I diabetic subjects by cytometric analysis: antigen expression defect in vitro. - Giordano,C.; De Maria,R.; Todaro,M.; Stassi,G.; Mattina,A.; Richiusa,P.; Galluzzo,G.; Panto,F.; Galluzzo,A. (J Clin Immunol, 1993)