Surface modification by plasma etching impairs early vascularization and tissue incorporation of porous polyethylene (Medpor) implants - Laschke, Matthias W.; Augustin, Victor A.; Sahin, Fadime; Anschütz, Dieter; Metzger, Wolfgang; Scheuer, Claudia; Bischoff, Markus; Aktas, Cenk; Menger, Michael D. (Journal of biomedical materials research. Part B, Applied biomaterials, 2015)