Long fusions to S1 with or without pelvic fixation can induce relevant acute variations in pelvic incidence: a retrospective cohort study of adult spine deformity surgery

1. Cecchinato, R.
2. Redaelli, A.
3. Martini, C.
4. Morselli, C.
5. Villafañe, J.H.
6. Lamartina, C.
7. Berjano, P.