Clinical Value of Three Combined Ultrasonography Modalities in Predicting the Risk of Metastasis to Axillary Lymph Nodes in Breast Invasive Ductal Carcinoma - Qing Zhang; Enock Adjei Agyekum; Linna Zhu; Lingling Yan; Lei Zhang; Xian Wang; Liang Yin; Xiaoqin Qian (Frontiers in Oncology, 2021)