%0 Journal Article %A J. N. Lamb %A J. Baetz %A P. Messer-Hannemann %A I. Adekanmbi %A B. H. van Duren %A A. Redmond %A R. M. West %A M. M. Morlock %A H. G. Pandit %T A calcar collar is protective against early periprosthetic femoral fracture around cementless femoral components in primary total hip arthroplasty %D 2019 %J The Bone & Joint Journal %P 779-786 %V 101-B %N 7 %R 10.1302/0301-620X.101B7.BJJ-2018-1422.R1 %U https://doi.org/10.1302/0301-620X.101B7.BJJ-2018-1422.R1 %K Cementless stem,Collar,Periprosthetic fracture of the femur,PFF,Registry analysis,National Joint Registry,Biomechanical analysis