- Feline immunodeficiency virus plasma load reduction by a retroinverso octapeptide reproducing the Trp-rich motif of the transmembrane glycoprotein. Giannecchini, S., Alcaro, M.C., Isola, P., Sichi, O., Pistello, M., Papini, A.M., Rovero, P., Bendinelli, M. Antivir. Ther. (Lond.) (2005)