50th Anniversary of Dega pelvic osteotomy in treatment of DDH – dysplasia, subluxation or luxation of the hip joint - Karski, J; Okoński, M; Ostrowski, J; Matuszewski, Ł; Kandzierski, G; Karski, T (Pohybové ústrojí. Pokroky ve výzkumu, diagnostice a terapii, 2019)