Studies of Brunner's glands in the opossum. II. Postnatal development.
D000818:Animals; D003593:Cytoplasm; D004386:Duodenum / Q000166:cytology / Q000254:growth & development*; D006651:Histocytochemistry; D007413:Intestinal Mucosa / Q000166:cytology; D009893:Opossums