PLK4 and medical procedure: Zhou, G. Fan, Y. Dong, "Polo-Like Kinase 4 Correlates With Greater Tumor Size, Lymph Node Metastasis, and Confers Poor Survival in Non-Small Cell Lung Cancer," Journal of Clinical and Laboratory Analysis 34, no. 4 (2019): e23152, https://doi.org/10.1002/jcla.23152.