1. Yu XC, Zhu B, Gao JH, et al. The scientific basis of the dynamic process of acupuncture points. J Tradit Chin Med. 2007;48(11):971–3.
2. Zhang SJ. Origin and development of Ashi point locating method. Zhongguo Zhen Jiu. 2013;33(2):165–7.
3. Head H. On disturbances of sensation with special reference to the pain of visceral disease. Brain. 2012;16:1–133.
4. Beissner F, Henke C, Unschuld PU. Forgotten features of head zones and their relation to diagnostically relevant acupuncture points. Evid Based Complement Alternat Med. 2011;2011:240653.
5. Beltran MML, Pinilla BLB, Beltran DEH, Vasquez LCA. Anatomo-functional correlation between head zones and acupuncture channels and points: a comparative analysis from the perspective of neural therapy. Evid Based Complement Alternat Med. 2014;2014:836392.