1. A calcar collar is protective against early periprosthetic femoral fracture around cementless femoral components in primary total hip arthroplasty: a registry study with biomechanical validation. (July 2019) Authors: Lamb, J. N.; Baetz, J.; Messer-Hannemann, P.; Adekanmbi, I.; van Duren, B. H.; Redmond, A.; West, R. M.; Morlock, M. M.; Pandit, H. G. Journal: Bone & joint journal Issue: Volume 101B:Number 7(2019) Page Start: 779 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗