Targeting efficacy of spironolactone in patients with heart failure with preserved ejection fraction: the TOPCAT study oleh Hui‐min Zhou, Rong‐jian Zhan, Xuanyu Chen, Yi‐fen Lin, Shao‐zhao Zhang, Huigan Zheng, Xueqin Wang, Meng‐ting Huang, Chao‐guang Xu, Xin‐xue Liao, Ting Tian, Xiao‐dong Zhuang