Stiffness after unicompartmental knee arthroplasty: Risk factors and arthroscopic treatmentGaspard Fournier, Romain Gaillard, John Swan, Cécile Batailler, Sébastien Lustig and Elvire ServienSICOT-J, 7 (2021) 35DOI: https://doi.org/10.1051/sicotj/2021034