title: Letter regarding the article "acupuncture for essential hypertension".
authors.affiliation: Tianjin University of Traditional Chinese Medicine, Tianjin, China; Institute of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China. Electronic address: 413351308@qq.com.
authors.forename: Han-Tong
authors.initials: HT
authors.lastname: Hu
authors.affiliation: Tianjin University of Traditional Chinese Medicine, Tianjin, China; Institute of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China. Electronic address: 1224480021@qq.com.
authors.forename: Hai-Zhen
authors.initials: HZ
authors.lastname: Zheng
authors.affiliation: Institute of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China. Electronic address: zhxf67@163.com.
authors.forename: Xiao-Feng
authors.initials: XF
authors.lastname: Zhao
authors.affiliation: Tianjin University of Traditional Chinese Medicine, Tianjin, China; Institute of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China. Electronic address: 723856378@qq.com.
authors.forename: Jian-Fei
authors.initials: JF
authors.lastname: Niu
mesh_terms: D015670:Acupuncture Therapy / Q000379:methods*; D001794:Blood Pressure / Q000502:physiology*; D006801:Humans; D006973:Hypertension / Q000503:physiopathology* / Q000628:therapy*
keywords: Acupuncture; Blood pressure; Hypertension; Systematic review