TY  - RPRT
TI  - Faecal occult blood testing.
AU  - P G Hill
AU  - J A Fyffe
PY  - 1990
DO  - 10.1177/000456329002700402
UR  - https://pubmed.ncbi.nlm.nih.gov/2403230/
ID  - 2403230
ER  -