Neutral endopeptidase (EC 3.4.24.11) terminates colitis by degrading substance P. - Sturiale,S.; Barbara,G.; Qiu,B.; Figini,M.; Geppetti,P.; Gerard,N.; Gerard,C.; Grady,E.F.; Bunnett,N.W.; Collins,S.M. (Proc Natl Acad Sci USA, 1999)