TY - RPRT TI - Polyethylene insert dislocation in a screw-in acetabular cup. A case report. AU - C C Ferenz PY - 1988 DO - 10.1016/s0883-5403(88)80016-0 UR - https://pubmed.ncbi.nlm.nih.gov/3183674/ ID - 3183674 ER -