TY  - RPRT
TI  - [Pericholangitis in ulcerous colitis].
AU  - H Piesbergen
PY  - 1968
DO  - 10.1055/s-0028-1110850
UR  - https://pubmed.ncbi.nlm.nih.gov/5679124/
ID  - 5679124
ER  -