Patients' preference of the Timed Up and Go Test or Patient-Reported Outcome Measures before and after surgery for lumbar degenerative disk disease

- Joswig, Holger; Stienen, Martin N.; Smoll, Nicolas R.; Corniola, Marco V.; Chau, Ivan; Schaller, Karl; Hildebrandt, Gerhard; Gautschi, Oilver P.