Changcheng Zheng, Jingsheng Wu, Xin Liu, Kaiyang Ding, Xiaoyan Cai, Weibo Zhu. What is the optimal treatment for biphenotypic acute leukemia?. Haematologica 2009;94(12):1778-1780; https://doi.org/10.3324/haematol.2009.014829.