Acetabular cartilage abnormalities in elderly patients with femoral neck fractures Hironori Ochi, Hideo Kobayashi, Tomonori Baba, Riko Nakajima, Yasuha Kurita, Suguru Kato, Kyoko Sasaki, Masahiko Nozawa, Sung-Gon Kim, Yuko Sakamoto et al. (3 more) SICOT-J, 8 (2022) 24 Published online: 14 June 2022 DOI: 10.1051/sicotj/2022022