title: Gastrointestinal system: changes in morphology and cell proliferation.
authors.affiliation: St. Luke's/Roosevelt Hospital Center, Department of Medicine, College of Physicians & Surgeons, Columbia University, New York, NY.
authors.forename: P R
authors.initials: PR
authors.lastname: Holt
mesh_terms: D000375:Aging / Q000378:metabolism / Q000473:pathology*; D000818:Animals; D002455:Cell Division; D004247:DNA / Q000096:biosynthesis; D004064:Digestive System / Q000378:metabolism / Q000473:pathology*; D005508:Food Deprivation / Q000502:physiology; D011073:Polyamines / Q000378:metabolism; D051381:Rats
chemical_list: D011073:Polyamines; D004247:DNA