TY  - RPRT
TI  - Gastroenterology.
AU  - B Crotty
AU  - R A Smallwood
PY  - 1993
DO  - 10.5694/j.1326-5377.1993.tb138055.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8232041/
ID  - 8232041
ER  -