Two cross-reactive monoclonal antibodies recognize overlapping epitopes on Neisseria meningitidis factor H binding protein but have different functional properties. by Faleri, A, Santini, L, Brier, S, Pansegrau, W, Lo Surdo, P, Scarselli, M, Buricchi, F, Volpini, G, Genovese, A, van der Veen, S, Lea, S, Tang, C, Savino, S, Pizza, M, Finco, O, Norais, N, Masignani, V