TY - GEN AU - Comba,F AU - Buttaro,M A AU - Piccaluga,F TI - Separation of the apex hole eliminator screw in four failed hybrid total hip arthroplasties SN - 1724-6067 PY - 2010///0625 N1 - Publication Type: Journal Article UR - https://doi.org/10.1177/112070000701700108 ER -