title: [2 cases of non-traumatic osteonecrosis of the astragalus].
mesh_terms: D001847:Bone Diseases / Q000139:chemically induced; D005260:Female; D006801:Humans; D008875:Middle Aged; D009336:Necrosis; D010007:Osteochondritis; D011183:Postoperative Complications; D011241:Prednisone / Q000009:adverse effects; D013628:Talus; D013789:Thalassemia / Q000150:complications; D013934:Thymectomy / Q000009:adverse effects
chemical_list: D011241:Prednisone
vernacular_title: Deux observations d'ostéonécrose non traumatique de l'astragale.