AUTHOR=Qu Fei , Lu Rongrong , Wu Xinyu , Liu Qian , Zha Mengyao , Li Huihui , Yuan Yuan , Han Zhengxiang , Cai Dongyan , Huang Xiang , Yin Yongmei , Li Wei TITLE=Efficacy and safety of RC48-ADC in HER2-positive and HER2-low metastatic breast cancer: a multicenter, real-world study JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1435485 DOI=10.3389/fonc.2024.1435485 ISSN=2234-943X