TY  - RPRT
TI  - An unusual cause for constipation.
AU  - Martin Grassberger
AU  - Sandra Coester
AU  - Klemens Köhler
PY  - 2005
DO  - 10.1007/s00508-005-0347-6
UR  - https://pubmed.ncbi.nlm.nih.gov/15926616/
ID  - 15926616
ER  -