Intestinal heterotopia. A fine structural study.
D000752:Anemia, Pernicious / Q000473:pathology*; D004847:Epithelial Cells; D005753:Gastric Mucosa / Q000002:abnormalities*; D006801:Humans; D007413:Intestinal Mucosa / Q000166:cytology*; D007421:Intestine, Small / Q000002:abnormalities*; D007583:Jejunum / Q000166:cytology; D008854:Microscopy, Electron