Original Article
The value of the improved percutaneous and intravenous contrast-enhanced ultrasound diagnostic classification in sentinel lymph nodes of breast cancer
Caixin Huang, Jia Luo, Zhen Shan, Tiantian Zhen, Jiaping Li, Qingmei Ma, Laina Wei, Jinyu Liang, Xiaoyan Xie, Yanling Zheng