Di Perri T, Laghi Pasini F, Pecchi S, Domini L, Ralli L, Materazzi M, De Franco V, Monaci A, Ceccatelli L
Institute of Medical Pathology, University of Siena, Policlinico Le Scotte, Italy.
Ann N Y Acad Sci. 1988;522:491-501. doi: 10.1111/j.1749-6632.1988.tb33388.x.