title: Revisions of extensive acetabular defects with impaction grafting and a cement cup.
authors.affiliation: Department of Orthopaedics 357, Radboud University Nijmegen Medical Centre, PO Box 9101, 6500 HB Nijmegen, The Netherlands.
authors.forename: Nienke
authors.initials: N
authors.lastname: van Egmond
authors.forename: Daniel C J
authors.initials: DC
authors.lastname: De Kam
authors.forename: Jean W M
authors.initials: JW
authors.lastname: Gardeniers
authors.forename: B Willem
authors.initials: BW
authors.lastname: Schreurs