TY - RPRT TI - Bone replacement with porous hydroxyapatite blocks and titanium screw implants: an experimental study. AU - H Schliephake AU - F W Neukam PY - 1991 DO - 10.1016/0278-2391(91)90103-s UR - https://pubmed.ncbi.nlm.nih.gov/1846649/ ID - 1846649 ER -