Wang, L., Tian, Y., Shen, J., Fan, X., Dong, X., Chen, J., Jiang, B., Qin, L., Bu, S., Tang, J. (2025). Bidirectional cohort study protocol to construct and validate a prediction model for perioperative pulmonary complications in elderly hip fracture patients. Scientific Reports. https://doi.org/10.1038/s41598-025-89037-6