TY  - RPRT
TI  - Colour coding for piped Entonox hoses.
AU  - L Ng
AU  - H Hopwood
PY  - 2002
DO  - 10.1046/j.1365-2044.2002.2575_5.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11949650/
ID  - 11949650
ER  -