The characterization of tumor microenvironment infiltration and the construction of predictive index based on cuproptosis-related gene in primary lung adenocarcinoma oleh Kun Li, Lei-Lei Wu, Hui Wang, Hao Cheng, Hui-Min Zhuo, Yun Hao, Zhi-Yuan Liu, Chong-Wu Li, Jia-Yi Qian, Zhi-Xin Li, Dong Xie, Chang Chen