Heikkinen ES, Puranen J, Suramo I. The Effect of Intertrochanteric Osteotomy on the Venous Drainage of the Femoral Neck in Perthes’ Disease. ActaO [Internet]. 1976 Jan. 1 [cited 2026 May 30];47(1):89-95. Available from: https://actaorthop.org/actao/article/view/29337