Gene expression profiles of colonic mucosa in healthy young adult and senior dogsKil, D.Y., B.M.V. Boler, C.J. Apanavicius, L.B. Schook, and K.S. SwansonPLoS ONE, 5(9), doi: 10.1371/journal.one.12882 Gene expression profiles of colonic mucosa in health young adult and senior dogs.pdf