Proximal foundation anchor variations and their correlation with unplanned return to the operating room (UPROR) in children with EOS treated with magnetically controlled growing rods (MCGR). - Rios F; Elsebaie HB; Shahidi B; Ames R; Monjazeb B; Kerr W; Pahys JM; Hwang SW; Samdani AF; Andras LM; Oetgen ME; Newton PO; et al. (Spine deformity, 2024)