The Influence of Nitrous Oxide and Remifentanil on Cerebral Hemodynamics in Conscious Human Volunteers. - Ingo H. Lorenz; Christian Kolbitsch; Christoph Hörmann; T. J. Luger; Michael Schocke; Wilhelm Eisner; Patrizia L. Moser; Heinrich Schubert; Christian Kremser; Arnulf Benzer (NeuroImage, 2002)