Walford N, Deferrai R, Slater R M, Delemarre J F, Dingemans K P, Van den Bergh Weerman M A, Voute P A
Department of Pathological Anatomy, University of Amsterdam, The Netherlands.
Histopathology. 1992 Feb;20(2):170-3. doi: 10.1111/j.1365-2559.1992.tb00948.x.