Patterns of intra-discal vacuum phenomenon in adult degenerative scoliosis. - Cawley DT; Simpkin A; Abrahim E; Doyle T; Elsheikh N; Fallon J; Habash M; Phua RJ; Langille J; Matini E; McDonnell A; McNamee C; et al. (Journal of spine surgery (Hong Kong), 2025)