Morphologic and cytoproliferative patterns of duodenal mucosa in two patients after long-term total parenteral nutrition: changes with oral refeeding and relation to intestinal resection. - Pironi,L.; Paganelli,G.M.; Miglioli,M.; Biasco,G.; Santucci,R.; Ruggeri,E.; Febo,G Di.; Barbara,L. (JPEN J Parenter Enteral Nutr, 1994)