TY  - RPRT
TI  - Age changes in small-intestinal mucosa.
AU  - P M Warren
AU  - M A Pepperman
AU  - R D Montgomery
PY  - 1978
DO  - 10.1016/s0140-6736(78)92639-9
UR  - https://pubmed.ncbi.nlm.nih.gov/81408/
ID  - 81408
ER  -