A. Verrini, G. Cannata, E. Cozzani, M. Terracini, A. Parodi, and A. Rebora, “A patient with immunological features of paraneoplastic pemphigus in the absence of a detectable malignancy”, Acta Derm Venereol, vol. 82, no. 5, pp. 382–384, Nov. 2002.