Differential diagnosis and utility of AQP4-antibody assays in an insidious case of longitudinally extensive transverse myelitis - Rosellini, I; Vitaliani, R; Zuliani, L; Serena, M; Tonello, S; Vianello, M; Zoccarato, M; Leite, M; Waters, P; Vincent, A; Giometto, B (JOURNAL OF NEUROLOGY, 2009)