Friction and wear properties of poly(methyl methacrylate)–hydroxyapatite hybrid coating on UHMWPE substrates - Navarro, C.H.; Moreno, K.J.; Chávez-Valdez, A.; Louvier-Hernández, F.; García-Miranda, J.S.; Lesso, R.; Arizmendi-Morquecho, A. (Wear, 2012)