First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin 300193 ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion Tianjin 300381 China;
First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin 300193 ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion Tianjin 300381 China;
Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Oral administration of traditional Chinese medicine; Refractory gastroesophageal reflux disease; Meta-analysis; Randomized controlled trial;