Maintenance: Thursday, 21 September 2017, 18h00-18h30
Maintenance work on the ZORA servers is provided. There may be short interruptions in the service between 18:00 and 18:30. Thank you for your patience.
Lee, Y C; Solomon, L B; Rühli, Frank J; Schiess, R; Ohrström, L; Sullivan, T; Alkadhi, H; Henneberg, M (2011). Confirmation of microevolutionary increase in spina bifida occulta among Swiss birth cohorts. European Spine Journal, 20(5):776-780.
Solomon, L B; Rühli, Frank J; Lee, Y C; Henneberg, M (2009). Secular trend in the opening of the sacral canal: an Australian study. Spine, 34(3):224-248.