[1]
P. . Jolbäck, E. Nauclér, E. . Bülow, H. Lindahl, and M. . Mohaddes, “A small number of surgeons outside the control-limit: an observa- tional study based on 9,482 cases and 208 surgeons performing primary total hip arthroplasties in western Sweden”, ActaO, vol. 91, no. 5, pp. 581–586, Jun. 2020.