Screening of the COL2A1 mutation in idiopathic osteonecrosis of the femoral head.
Sakamoto Y, Yamamoto T, Miyake N, Matsumoto N, Iida A, Nakashima Y; Research Committee on Idiopathic Osteonecrosis of the Femoral Head of the Ministry of Health, Labour and Welfare of Japan; Iwamoto Y, Ikegawa S.