Overgaard, Søren, Martin Lind, Ole Rahbek, Cody Bünger, and Kjeld Søballe. 1997. “Improved Fixation of Porous-Coated Versus Grit-Blasted Surface Texture of Hydroxyapatite-Coated Implants in Dogs”. Acta Orthopaedica 68 (4):337-43. https://doi.org/10.3109/17453679708996173.