Effect of Qishenyiqi dropping pill on heart failure with preserved  ejection fraction
Zhang Kaixuan1, Geng Wei2, Jiang Yiming1, Wang Xueshuo1, Hou Xuena1
Clinical Focus . 2019, (11): 995 -998 .  DOI: 10.3969/j.issn.1004-583X.2019.11.007