TY  - RPRT
TI  - [Ulcerative colitis. Maintenance therapy].
AU  - W Kruis
AU  - S Schreiber
PY  - 2004
DO  - 10.1055/s-2004-813494
UR  - https://pubmed.ncbi.nlm.nih.gov/15455275/
ID  - 15455275
ER  -