Kalland, Kristine, et al. “Similar Outcome of Femoral Neck Fractures Treated With Pinloc or Hansson Pins: 1-Year Data from a Multicenter Randomized Clinical Study on 439 Patients”. Acta Orthopaedica, vol. 90, no. 6, Aug. 2019, pp. 542-6, doi:10.1080/17453674.2019.1657261.