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Pal, B; Gupta, S; New, A M . (2009). A numerical study of failure mechanisms in the cemented resurfaced femur: effects of interface characteristics and bone remodelling. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 223(4), 471–484. doi:10.1243/09544119JEIM488 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research