Reitman CA, Cho CH, Bono CM, Ghogawala Z, Glaser J, Kauffman C, Mazanec D, O'Brien D, O'Toole J, Prather H, Resnick D, Schofferman J, Smith MJ, Sullivan W, Tauzell R, Truumees E, Wang J, Watters W, Wetzel FT, Whitcomb G. Management of degenerative spondylolisthesis: development of appropriate use criteria. Spine J. 2021 Aug; 21(8):1256-1267.