TY  - RPRT
TI  - Update in gastroenterology.
AU  - N J Greenberger
PY  - 1999
DO  - 10.7326/0003-4819-131-6-199909210-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/10498562/
ID  - 10498562
ER  -