* Du Boulay, O'Connell J, Currie J, Bostick T, Verity P: Further investigations on pulsatile movements in the cerebrospinal fluid pathway. Acta Radiol Diag, 13, 496-523, 1972 | * Du Boulay, O'Connell J, Currie J, Bostick T, Verity P: Further investigations on pulsatile movements in the cerebrospinal fluid pathway. Acta Radiol Diag, 13, 496-523, 1972 |