Robotic total hip arthroplasty for fused hips in ankylosing spondylitis patients: Our experience with robotic arm technologyAshish Singh, Kartheek Telagareddy, Purushotam Kumar and Sushil SinghSICOT-J, 8 (2022) 30DOI: https://doi.org/10.1051/sicotj/2022024