Paavolainen, P., Mäkisalo, S., Skutnabb, K., & Holmström, T. (1993). Biologic anchorage of cruciate ligament prosthesis: Bone ingrowth and fixation of the Gore-Tex® ligament in sheep. Acta Orthopaedica, 64(3), 323–328. https://doi.org/10.3109/17453679308993636