TY  - RPRT
TI  - [Clinical diagnostics, classification].
AU  - S Schreiber
AU  - U R Fölsch
AU  - German Society for Digestive and Metabolic Diseases
PY  - 2003
DO  - 10.1055/s-2003-36662
UR  - https://pubmed.ncbi.nlm.nih.gov/12541168/
ID  - 12541168
ER  -