RISKA, Erik B.; MICHELSSON, Jarl-Erik. Treatment of Para-Articular Ossification after total Hip Replacement by Excision and Use of Free Fat Transplants. Acta Orthopaedica, [S. l.], v. 50, n. 6, p. 751–754, 1979. DOI: 10.3109/17453677908991305. Disponível em: https://actaorthop.org/actao/article/view/29050. Acesso em: 22 jun. 2026.