背景和目的食管癌是常见的消化系统恶性肿瘤,全世界范围内在癌症导致的死亡中食管癌位列第六,2018年约50.9万人死于食管癌,约占所......

Objective: To detect the expression of GAS7 in osteosarcoma and discuss its significance.Methods: Immunohistochemistry S......