TY  - RPRT
TI  - Occult-blood screening.
AU  - A Bailey
AU  - W M Dixon
PY  - 1986
DO  - 10.1016/s0140-6736(86)92842-4
UR  - https://pubmed.ncbi.nlm.nih.gov/2869329/
ID  - 2869329
ER  -