title: The progress of six cases following allograft arthroplasty of the knee.
mesh_terms: D001178:Arthroplasty; D005500:Follow-Up Studies; D006084:Graft Rejection; D006801:Humans; D007596:Joints / Q000637:transplantation*; D007719:Knee Joint; D014184:Transplantation, Homologous