Trovik, C. S., Bauer, H. C. F., Berlin, Örjan, Tukiainen, E., Erlanson, M., Gustafson, P., … Wahlström, O. (2001). Local recurrence of deep-seated, high-grade, soft tissue sarcoma: 459 patients from the Scandinavian Sarcoma Group Register. Acta Orthopaedica, 72(2), 160–166. https://doi.org/10.1080/000164701317323417