Meng, Xiangying, Shikai Wu, Zefei Jiang, Bing Sun, Yan Ma, Xin Zhao, Lijuan Ding, Yue Wang, Tao Wang, Shaohua Zhang, and Santai Song. “Progestin As an Alternative Treatment Option for multi-treated recurrent Triple-Negative Breast Cancer”. Swiss Medical Weekly 143, no. 2122 (May 19, 2013): w13765. Accessed September 13, 2024. https://smw.ch/index.php/smw/article/view/1696.