RETRACTED: Tribological behaviour of laser-textured UHMWPE under simulated dry and wet joint conditions using a biomimetic sunflower oil-hyaluronic acid lubricantArulkumar Muniyappan, Samuel Franklin R, Vrishank C Thaker and Anandha Ram SEPJ Web Conf., 345 (2026) 01042DOI: https://doi.org/10.1051/epjconf/202634501042