@misc{indiciae175d292a3b5d, title = {Gastrointestinal system: changes in morphology and cell proliferation.}, author = {P R Holt}, year = {1991}, doi = {10.1007/bf03324045}, url = {https://pubmed.ncbi.nlm.nih.gov/1841613/}, note = {Source identifier: 1841613} }