TY - GEN AU - Sadat Alavi,Mehr AU - Azarpira,Negar TI - Medullary and papillary carcinoma of the thyroid gland occurring as a collision tumor with lymph node metastasis: A case report SN - 1752-1947 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/1752-1947-5-590 ER -