“Effect of Immobilization on Urine Calcium Excretion in Orthopedic Patients With Pelvic Fracture Treated by Skin Traction”. Archivio Italiano Di Urologia E Andrologia, vol. 87, no. 1, Mar. 2015, pp. 62-65, https://doi.org/10.4081/aiua.2015.1.62.