TY  - RPRT
TI  - Studying ulcerative colitis over the World Wide Web.
AU  - R M Soetikno
AU  - D Provenzale
AU  - L A Lenert
PY  - 1997
UR  - https://pubmed.ncbi.nlm.nih.gov/9068469/
ID  - 9068469
ER  -