MicroRNA-21 higher expression in cancer tissues elevates lymph node metastasis: a meta-analysis
HONG Yongzhi, LIU Xiaoyang, WANG Jin, ZHAO Liang, ZHAO Peng
Journal of Surgery Concepts & Practice . 2018, (03): 263 -270 .  DOI: 10.16139/j.1007-9610.2018.03.016