TY - JOUR AN - 54 AU - Reasoner,D.K. AU - Todd,M.M. AU - Scamman,F.L. AU - Warner,D.S. TI - The incidence of pneumocephalus after supratentorial craniotomy. Observations on the disappearance of intracranial air. JO - Anesthesiology PY - 1994 VL - 80 SP - 1008-1012 M2 - 1008 ER -