School of Traditional Chinese Medicine,Tianjin University of Traditional Chinese Medicine,Tianjin,301617,China;
College of Integrative Medicine,Tianjin University of Traditional Chinese Medicine,Tianjin,301617,China;
School of Acupuncture and Massage,Tianjin University of Traditional Chinese Medicine,Tianjin,301617,China;
Experimental Acupuncture Center,Tianjin University of Traditional Chinese Medicine,Tianjin,301617,China;
Decoction of rehmanniae; High blood pressure; Meta analysis; Randomized controlled trial;