Scientific studies on Tai-Chi and Chi-Kung

Scientific studies on Taichi and Chikung
Below are links to various scientific studies on Tai-Chi & Chi-Kung :
Health benefits of Tai-Chi exercise: improved balance and blood pressure in middle-aged women
In vitro test of external Qi Gong
The Effect of Tai-Chi on Residents at a Retirement Community
Medical applications of Qi Gong
Psychoneuroimmunology and Tai-Chi
Qi changed the Radioactive decay rate of 241Am
Qi Gong Therapy and TCM
Qi Gong and Radiation Therapy in Coping with Cancer
Qi Gong Meditation Reduced Psychosomatic and Physical Symptoms
Tai-Chi and physical performance
Tai-Chi and QOL in breast cancer survivors
Treatment of insomnia with Tai-Chi