Risks of Tumor Embolization in the Presence of an Unrecognized Patent Foramen Ovale: Case ReportAJNR 23:982-984, Horowitz,M.B.,et al, 2002
Twelfth-Nerve Palsy:Analysis of 100 CasesArch Neurol 53:561-566, Keane,J.R., 1996