Hartmut Collmann , Christian Schropp, Jürgen Krauss and Niels Soerensen
from 51st Annual Meeting of the Society for Research into Hydrocephalus and Spina BifidaHeidelberg, Germany. 27–30 June 2007
Cerebrospinal Fluid Research 2007, 4(Suppl 1):S7doi:10.1186/1743-8454-4-S1-S7