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Sonntag, Robert, Jörn Reinders, Johannes S. Rieger, Daniel W. W. Heitzmann, and J. Philippe Kretzer. Hard-on-Hard Lubrication in the Artificial Hip Under Dynamic Loading Conditions. Public Library of Science, 2013.

Sonntag, Robert, et al. Hard-on-Hard Lubrication in the Artificial Hip Under Dynamic Loading Conditions. Public Library of Science, 2013.