Higashikawa T, Shigemoto K, Iwai S, Takigawa H, Hangyou M, Kanda T, et al. Predicting Risk of Postoperative Pneumonia by a Nomogram in Elderly Patients After Hip Fracture Surgery. J Clin Med Res [Internet]. 2026 Jan. 1 [cited 2026 Aug. 3];18(7):465-71. Available from: https://jocmr.elmerjournals.com/jocmr/article/view/6514