TY  - RPRT
TI  - Sigmoidoscopy or colonoscopy: which way are we headed?
AU  - D K Rex
PY  - 2000
DO  - 10.1111/j.1572-0241.2000.01995.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10811313/
ID  - 10811313
ER  -