Long-Term Clinical and Radiographic Osseointegration Outcomes of a Highly Porous 3D-Printed Titanium Collar Compared with a Hydroxyapatite-Coated Collar in Megaprostheses. - Triplicane Dwarakanathan, Hariharan; Green, Natalie; Haider, Thomas; Pagkalos, Iosif; Morris, Guy; Botchu, Rajesh; Jeys, Lee M. (Journal of Functional Biomaterials, 2026)