Modulation of systemic immune responses through commensal gastrointestinal microbiotaSchachtschneider K.M., C.J. Yeoman, R.E. Isaacson, B.A. White, L.B.Schook, and M. PietersPLoS ONE, 8(1), doi: 10.1371/journal.pone.53969 Modulation of systemic immune responses through commensal gastrointestinal microbiota.pdf