Wu, Li-xin, Xiao-feng Li, Hua-fei Chen, You-cai Zhu, Wen-xian Wang, Chun-wei Xu, Dong-fang Xie, Yang Wan, and Kai-qi Du. 2018. “Combined Detection of CEA and CA125 for the Diagnosis for Lung Cancer: A Meta-Analysis”. Cellular and Molecular Biology 64 (15):67-70. https://doi.org/10.14715/cmb/2017.64.15.11.