Di Benedetto P, Niccoli G, Beltrame A, Gisonni R, Cainero V, Causero A. Histopathological aspects and staging systems in non-traumatic femoral head osteonecrosis: an overview of the literature. Acta Biomed [Internet]. 2016 Apr. 15 [cited 2024 Jul. 18];87(1 -S):15-24. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/5345