TY - RPRT TI - A randomized, controlled study of a programmable shunt valve versus a conventional valve for patients with hydrocephalus. Hakim-Medos Investigator Group. AU - I F Pollack AU - A L Albright AU - P D Adelson PY - 1999 DO - 10.1097/00006123-199912000-00026 UR - https://pubmed.ncbi.nlm.nih.gov/10598708/ ID - 10598708 ER -