Mu, Wei-na, Jian-heng Li, Ying Liu, Hui-qing Liang, and Xin Liu. 2022. “Comparative Study of Core Needle Biopsy and Fine Needle Aspiration in the Treatment of Metastatic Lymph Nodes Guided by Contrast-Enhanced Ultrasound”. Pakistan Journal of Medical Sciences 38 (6). https://doi.org/10.12669/pjms.38.6.5471.