Maintenance: On Tuesday, February 12, 2019, maintenance work on some network components is scheduled from 19:45-22:30 hrs. ZORA will not be available during this period.
Boos, N; Affolter, C; Merkle, M; Rühli, Frank J (2008). Surgical approaches. In: Boos, N; Aebi, M. Spinal disorders : fundamentals of diagnosis and treatment. Berlin: Springer, 337-369.