TY - GEN AU - Tokoro,K AU - Chiba,Y TI - Optimum position of the antisiphon device SN - 0148-396X PY - 1990///0918 KW - Cerebrospinal Fluid Shunts KW - instrumentation KW - Humans N1 - Publication Type: Letter UR - https://doi.org/10.1097/00006123-199008000-00030 ER -