TY - GEN AU - Fichtelius,K E AU - Finstad,J AU - Good,R A TI - The phylogenetic occurrence of lymphocytes within the gut epithelium SN - 0020-5915 PY - 1969///0409 KW - Amphibians KW - Animals KW - Antibody Formation KW - Basement Membrane KW - cytology KW - Biological Evolution KW - Birds KW - Blood Cell Count KW - Bursa of Fabricius KW - Chickens KW - Child, Preschool KW - Ducks KW - Epithelial Cells KW - Fishes KW - Humans KW - Intestinal Mucosa KW - Lymphocytes KW - Mice KW - Microscopy KW - Rabbits KW - Rats KW - Reptiles KW - Swine N1 - Publication Type: Journal Article UR - https://doi.org/10.1159/000230165 ER -