[1] Hebei Prov Hosp Tradit Chinese Med, Dept Digest Endoscopy, Shijiazhuang 050011, Hebei, Peoples R China
[2] Hebei Prov Hosp Tradit Chinese Med, Dept Spleen & Stomach Dis, Shijiazhuang 050011, Hebei, Peoples R China
[3] Hebei Key Lab Turbid Toxin Syndrome, Shijiazhuang, Hebei, Peoples R China
[4] Hebei Key Lab Integrated Chinese & Western Med Gas, Shijiazhuang, Hebei, Peoples R China
[5] Hebei Univ Chinese Med, Hebei Prov Hosp Tradit Chinese Med, Shijiazhuang 050011, Peoples R China