Chan, J. S. M., Ho, R. T. H., Wang, C., Yuen, L. P., Sham, J. S. T., & Chan, C. L. W. (2013). Effects of Qigong Exercise on Fatigue, Anxiety, and Depressive Symptoms of Patients with Chronic Fatigue Syndrome-Like Illness: A Randomized Controlled Trial. Hindawi Publishing Corporation.

Chan, Jessie S. M., Rainbow T. H. Ho, Chong-wen Wang, Lai Ping Yuen, Jonathan S. T. Sham, i Cecilia L. W. Chan. Effects of Qigong Exercise On Fatigue, Anxiety, and Depressive Symptoms of Patients With Chronic Fatigue Syndrome-Like Illness: A Randomized Controlled Trial. Hindawi Publishing Corporation, 2013.

Chan, Jessie S. M., et al. Effects of Qigong Exercise On Fatigue, Anxiety, and Depressive Symptoms of Patients With Chronic Fatigue Syndrome-Like Illness: A Randomized Controlled Trial. Hindawi Publishing Corporation, 2013.