[1]
P. Benum, S. Lyng, O. Bø, I. Rafn, and J. F. W. Haffner, “Porous Ceramics as a Bone Substitute in the Medial Condyle of the Tibia: An Experimental Study in Sheep”, ActaO, vol. 47, no. 2, pp. 158–166, Jan. 1976.