Johnson MD, Ko M, Choo KS, Traynor JR, Mosberg HI, Naughton NN, Woods JH. The effects of the phyllolitorin analogue [desTrp(3), Leu(8)]phyllolitorin on scratching induced by bombesin and related peptides in rats. Brain Res. 1999 Aug 21; 839(1):194-8.