Ren Q, Zhang H, Shi X, Ren L, Cheng J. Efficacy of Guided Imagery Training in Improving Sleep Quality in Patients With Chronic Obstructive Pulmonary Disease and Sleep Disorders. Actas Esp Psiquiatr [Internet]. 2026 Sep. 15 [cited 2026 Sep. 20];:1-11. Available from: https://actaspsiquiatria.es/index.php/actas/article/view/2258