Petrenko, D., Demchenko, D., Chekryzhev, O., Kutz, M. and Mezentsev, A. (2024) “Results of application fragility index asd-fi for spinal surgery in elderly patients”, ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, (1), pp. 9–14. doi: 10.15674/0030-5987202019-14.