Schmidt W, Fackler O T, Schäfer M, Zippel T, Heise W, Mueller-Lantzsch N, Riecken E O, Ullrich R
Department of Gastroenterology and Infectious Disease, Universitätsklinikum Benjamin Franklin, Free University of Berlin, Germany.
Ann N Y Acad Sci. 1998 Nov 17;859:276-9. doi: 10.1111/j.1749-6632.1998.tb11145.x.