Uroguanylin: Structure and activity of a second endogenous peptide that stimulates intestinal guanylate cyclase

F. Kent Hamra, Leonard R. Forte, Sammy L. Eber, Nykolai V. Pidhorodeckyj, William J. Krause, Ronald H. Freeman, David T. Chin, Jay A. Tompkins, Kam F. Fok, Christine E. Smith, Kevin L. Duffin, Ned R. Siegel, Mark G. Currie