Effect evaluation of stepped salt restriction on salt threshold and urinary sodium excretion in aged hypertention
Zhai Zhihong1， Wang Zhong1， Wu Xinling2， Zhang Jingyu3， Ren Hongqiang1， Chen Shaoze1
Clinical Focus . 2017, (2): 160 -162,166 .  DOI: 10.3969/j.issn.1004-583X.2017.02.010