REN, Q.; YANG, H.; DU, Z. Effect of Baduanjin Qigong exercise on sleep quality of patients with chronic insomnia: Baduanjin Qigong exercise on sleep quality of patients with chronic insomnia. The Ethiopian Journal of Health Development , [S. l.], 2022. Disponível em: https://ejhd.org/index.php/ejhd/article/view/5049. Acesso em: 27 jan. 2023.