7Cheng S. Chinese acupuncture and moxibustion. Revised edition. Beijing: Foreign Languages Press. 1999.
8Deadman P, Al-Khafaji M. A manual of acupuncture. 2nd ed. Hove: Journal of Chinese Medicine Publications. 2007.
9Maciocia G. The channels of acupuncture: clinical use of the secondary channels and eight extraordinary vessels. Edinburgh: Churchill Livingstone. 2006.
10Kaptchuk TJ. The web that has no weaver: understanding Chinese medicine. 2nd ed. Columbus: McGraw-Hill. 2000.