Zantut-Wittmann, D.E., Boechat , L.H.B., Pinto, G.A., Trevisan, M.A. da S. and Vassallo, J. 1999. Autoimmune and non-autoimmune thyroid diseases have different patterns of cellular HLA class II expression. São Paulo Medical Journal. 117, 4 (Jul. 1999), 161–164.