1.
Neidel J, Schönau E, Zander D, Rütt J, Hackenbroch MH. Normal plasma levels of IGF binding protein in Perthes’ disease: Follow-up of previous report. ActaO [Internet]. 1993 Jan. 1 [cited 2026 May 28];64(5):540-2. Available from: https://actaorthop.org/actao/article/view/21791