Ojala, S., H. Kröger, J. Leppilahti, J. Paloneva, and J. Sirola. “Survey of the Specializing Doctor Training in Orthopedics and Traumatology across University Hospitals in Finland”. Acta Orthopaedica, vol. 92, no. 4, June 2021, pp. 373-5, doi:10.1080/17453674.2021.1910772.