Effects of forest bathing on plasma endothelin‐1 in elderly patients with chronic heart failure: Implications for adjunctive therapy. Issue 12 (19th December 2017) - Wu, Qing; Cao, Yongbao; Mao, Genxiang; Wang, Sanying; Fang, Yefei; Tong, Qian; Huang, Qingdong; Wang, Bozhong; Yan, Jing; Wang, Guofu