TY  - RPRT
TI  - [Radiation exposure during defecography].
AU  - W Höpfner
AU  - W Maier
AU  - J Kopp
AU  - E Klotz
PY  - 1992
UR  - https://pubmed.ncbi.nlm.nih.gov/1571377/
ID  - 1571377
ER  -