TY - JOUR T1 - Thyroid collision tumor containing oncocytic carcinoma, classical and hobnail variants of papillary carcinoma and areas of poorly differentiated carcinoma JO - Archives of Endocrinology and Metabolism A1 - Toyoshima, Marcos Tadashi Kakitani A1 - Domingues, Regina Barros A1 - Soares, Ibere Cauduro A1 - Danilovic, Debora Lucia Seguro A1 - Amorim, Larissa Costa A1 - Cavalcante, Edla R. C. A1 - Antonacio, Fernanda F. A1 - Roitberg, Felipe Santa Rosa A1 - Hoff, Ana Oliveira SN - 2359-3997 UL - 10.20945/2359-3997000000389 VL - 65 Y1 - 2021 PB - Brasil ER -