Litscher, G., Cheng, G., Cheng, W., Wang, L., Niu, Q., Feng, X., . . . Kuang, H. (2012). Sino-European Transcontinental Basic and Clinical High-Tech Acupuncture Studies—Part 2: Acute Stimulation Effects on Heart Rate and Its Variability in Patients with Insomnia. Hindawi Publishing Corporation.

Litscher, Gerhard, Guangyu Cheng, Weiping Cheng, Lu Wang, Qianqian Niu, Xiao Feng, Ingrid Gaischek, and Haixue Kuang. Sino-European Transcontinental Basic and Clinical High-Tech Acupuncture Studies—Part 2: Acute Stimulation Effects On Heart Rate and Its Variability in Patients With Insomnia. Hindawi Publishing Corporation, 2012.

Litscher, Gerhard, et al. Sino-European Transcontinental Basic and Clinical High-Tech Acupuncture Studies—Part 2: Acute Stimulation Effects On Heart Rate and Its Variability in Patients With Insomnia. Hindawi Publishing Corporation, 2012.