TY  - RPRT
TI  - [Maintaining a remission].
AU  - W E Fleig
AU  - German Society for Digestive and Metabolic Diseases
PY  - 2003
DO  - 10.1055/s-2003-36666
UR  - https://pubmed.ncbi.nlm.nih.gov/12541172/
ID  - 12541172
ER  -