Medical management and rehabilitation in a patient with avas-cular necrosis of the femoral head in the context of vitamin D deficiency and secondary hyperparathyroidism – case repo... oleh Cosmina Diaconu, Remus Calin Cipăian, Mădălina Gabriela Iliescu, Viorela-Mihaela Ciortea, Laszlo Irsay, Rodica Ana Ungur, Cristinel Gabriel Diaconu