TY  - RPRT
TI  - Flexing up for screening by flexible sigmoidoscopy.
AU  - F Macrae
PY  - 1999
DO  - 10.1046/j.1440-1622.1999.01492.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9932910/
ID  - 9932910
ER  -