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Pictures of the samples analyzed in this work: (a) non-porous PMMA; (b) non-porous silicone; (c) porous PE; (d) porous alumina (red pen marks were done as reference positions to make it easier to find the struts and land onto them with the atomic force microscope (AFM) probe tip, instead of sinking into the macropores); (e) porous GCA; (f) porous GCB. Implant dimensions are summarized in Table 1.
