@misc{indiciae3c7b4192ff04, title = {Age changes in small-intestinal mucosa.}, author = {P M Warren and M A Pepperman and R D Montgomery}, year = {1978}, doi = {10.1016/s0140-6736(78)92639-9}, url = {https://pubmed.ncbi.nlm.nih.gov/81408/}, note = {Source identifier: 81408} }