Lack of B7-1/BB1 and B7-2/B70 expression on thyrocytes of patients with Graves' disease. Delivery of costimulatory signals from bystander professional antigen-presenting cells. - Matsuoka,N.; Eguchi,K.; Kawakami,A.; Tsuboi,M.; Nakamura,H.; Kimura,H.; Ishikawa,N.; Ito,K.; Nagataki,S . (J Clin Endocrinol Metab, 1996)