- Walther, A.; Ehlert, U.; Lacker, T.J.
- Everybody was Kung-Fu Fighting - The Beneficial Effects of Tai Chi Qigong and Self-Defense Kung-Fu Training on Psychological and Endocrine Health in Middle Aged And Older Men
- Complementary Therapies in Medicine, 2018, Vol. 36, 68 - 72
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.