TY  - RPRT
TI  - Office procedures. Flexible sigmoidoscopy.
AU  - M B Harper
AU  - J B Pope
PY  - 1997
DO  - 10.1016/s0095-4543(05)70397-3
UR  - https://pubmed.ncbi.nlm.nih.gov/9174043/
ID  - 9174043
ER  -