Observer variation in the diagnosis of follicular variant of papillary thyroid carcinoma

Ricardo V. Lloyd, Lori A. Erickson, Mary B. Casey, King Y. Lam, Christine M. Lohse, Sylvia L. Asa, John K.C. Chan, Ronald A. DeLellis, H. Ruben Harach, Kennichi Kakudo, Virginia A. LiVolsi, Juan Rosai, Thomas J. Sebo, Manuel Sobrinho-Simoes, Bruce M. Wenig, Marick E. Lae