Intestinal helminths regulate lethal acute graft-versus-host disease and preserve the graft-versus-tumor effect in mice. - Li Y; Chen HL; Bannick N; Henry M; Holm AN; Metwali A; Urban JF Jr; Rothman PB; Weiner GJ; Blazar BR; Elliott DE; Ince MN (Journal of immunology (Baltimore, Md. : 1950), 2015)