Mitsiades, N Poulaki, V Mastorakos, G Tseleni-Balafouta, S and Kotoula, V Koutras, DA Tsokos, M, Fas ligand expression in thyroid carcinomas: A potential mechanism of immune evasion, JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM, (84), 2924-2932, 1999, ENDOCRINE SOC, 0021-972X