Distributɔ dɛn we de kɔmpia intabɔdi kech saplay dɛn kin luk pan PEEK gred ɛn prays fɔ wan yunit, dɔn dɛn kin tek am se di ɔda wan dɛn na roughly intachɛnjabl. I nɔ de so. TLIF ɔ PLIF kech na smɔl, jɔyometrik kɔmpleks divays we gɛt fɔ gɛt sɔm tin dɛn rayt wan tɛm — futprin, ayt, lordotic angle, ɛnd