Fig. 4From: Influence of calcium ion-modified implant surfaces in protein adsorption and implant integrationHarris hematoxylin and Wheatley’s trichrome-stained ground sections of Ca-ion (a, inset a.1, c) and control (b, d) implant surfaces at 2 weeks of healing. PB, parent bone, NB, new bone. Scale bars 500 μmBack to article page