C. L. Zhao, L. J. Peng, Z. L. Zhang, T. Zhang and H. M. Li, “Effect of Acupuncture on the Activity of the Peripheral Blood T Lymphocyte Subsets and NK Cells in Patients with Colorectal Cancer Liver Metastasis,” Chinese Acupuncture & Moxibustion, Vol. 30, No. 1, 2010, pp. 10-12.
 J. Wheeler, B. Coppock and C. Chen, “Does the Burning of Moxa (Artemisia Vulgaris) in Traditional Chinese Medicine Constitute a Health Hazard?” Acupuncture in Medicine, Vol. 27, No. 1, 2009, pp. 16-20. doi:10.1136/aim.2009.000422
 N. Hitosugi, R. Ohno, I. Hatsukari, S. Mizukami, H. Nagasaka, I. Matsumoto, N. Komatsu, M. Fujimaki, H. Nakashima, K. Satoh and H. Sakagami, “Diverse Biological Activities of Moxa Extract and Smoke,” In Vivo, Vol. 15, No. 3, May-June 2001, pp. 249-254.
 N. Hitosugi, R. Ohno, I. Hatsukari, S. Nakamura, S. Mizukami, H. Nagasaka, I. Matsumoto, K. Satoh, T. Negoro, K. Hashimoto and H. Sakagami, “Induction of Cell Death by Pro-Oxidant Action of Moxa Smoke,” Anticancer Research, Vol. 22, No. 1A, 2002, pp. 159-163.
 Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology, “Heart Rate Variability: Standards of Measurement, Physiological Interpretation and Clinical Use,” European Heart Journal, Vol. 17, No. 3, 1996, pp. 354-381.
 R. Jin, M. M. Yu and B. X. Zhao, “Studies of Chemical Constituents of Qizhou Mugwort Leaf in Different Years and Mugwort Floss within Different Proportions,” Chinese Acupuncture & Moxibustion, Vol. 30, No. 5, 2010, pp. 389-392.