Comparison of a histone deacetylase inhibitor plus exemestane with exemestane alone in hormone receptor-positive advanced breast cancer that progressed on prior endocrine therapy: A meta-analysis. - Xu, Liang; Jiang, Weifan; Li, Wenwei; Guo, Chungen; Luo, Lihua; Gao, Yufeng; Cao, Yali (Experimental & Therapeutic Medicine, 2022)