Marchetti A, Buttitta F, Pellegrini S, Diella F, Campani D, Cecchetti D, Squartini F, Callahan R, Bistocchi M
Institute of Pathological Anatomy and Histology, University of Pisa, Italy.
Ann N Y Acad Sci. 1993 Nov 30;698:114-9. doi: 10.1111/j.1749-6632.1993.tb17196.x.