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“90-day mortality after 409,096 total hip replacements for osteoarthritis, from the National Joint Registry for England and Wales: a retrospective analysis,” by Linda P. Hunt, Yoav Ben-Shlomo, Emma M. Clark, Paul Dieppe, Andrew Judge, Alex J. MacGregor, Jon H. Tobias, Kelly Vernon, and Ashley W. Blom, on behalf of the National Joint Registry for England, Wales and Northern Ireland (Vol. 382, No. 9898, September 28, 2013, p. 1097-1104).
www.thelancet.com/journals/lancet/article/PIIS0140-6736%2813%2961749-3/abstract