Jie Tian, and Lingxia Zhang. “Improving Pain and Sleep Quality in Elderly Hip Fracture Patients With Collaborative Nursing and Intensive Sleep Care”. Journal of the Pakistan Medical Association 75, no. 7 (July) (Supple-02) (October 4, 2025): S-79-S-84. Accessed August 4, 2026. https://mail.jpma.org.pk/index.php/public_html/article/view/33012.