Jan M. Ultee

Results of Ankle Fractures with Involvement of the Posterior Tibial Margin

Johan F. Langenhuijsen, Martin J. Heetveld, Jan M. Ultee et al. · The Journal of Trauma: Injury, Infection, and Critical Care · 2002 · 179 citations

Predicting 30-day mortality following hip fracture surgery: Evaluation of six risk prediction models

Julian Karres, Nicole Heesakkers, Jan M. Ultee et al. · Injury · 2014 · 166 citations

Skeletal Trauma, Prognostic Evaluation, Prognosis +9

The weekend effect for hip fracture surgery

Leontien M.G. Nijland, Julian Karres, Anouk E. Simons et al. · Injury · 2017 · 60 citations

Skeletal Trauma, Outcomes Research, Orthopaedics +4

The Amsterdam wrist rules: the multicenter prospective derivation and external validation of a clinical decision rule for the use of radiography in acute wrist trauma

Monique M. J. Walenkamp, Abdelali Bentohami, Annelie Slaar et al. · BMC Musculoskeletal Disorders · 2015 · 37 citations · Full text

Do-not-resuscitate orders and early mortality in hip fracture patients

Anouk E. Simons, Julian Karres, Leontien M.G. Nijland et al. · Age and Ageing · 2017 · 25 citations · Full text