Proficiency testing of diagnosis in histopathology and immunohistochemistry of breast pathology in China: results from a pilot work of National Single Disease Quality Control Program for breast cancer. - Xue, Xuemin; Guo, Lei; Guo, Changyuan; Li, Lin; Yang, Lin; Wang, Xin; Rao, Wei; Yuan, Pei; Mu, Jiali; Li, Jiangtao; Wang, Bingning; Zhou, Quan; et al. (BMC Cancer, 2024)