Strengthening acceptance for xenotransplantation: the case of attraction effect. - Rubaltelli, Enrico; Burra, Patrizia; Sartorato, Valentina; Canova, Daniele; Germani, Giacomo; Tomat, Silvia; Ancona, Ermanno; Cozzi, Emanuele; Rumiati, Rino (Xenotransplantation, 2008)