Cranial nerve vascular compression syndromes of the trigeminal, facial and vago-glossopharyngeal nerves: comparative anatomical study of the central myelin portion and transitional zone; correlations with incidences of corresponding hyperactive dysfunctional syndromes - Guclu, B; Sindou, M; Meyronet, D; Streichenberger, N; Simon, E; Mertens, P (Acta Neurochir (Wien), 2011)