TY  - RPRT
TI  - The circle system without absorber. Use with controlled ventilation.
AU  - S L Snowdon
AU  - D L Powell
AU  - E T Fadl
AU  - J E Utting
PY  - 1975
DO  - 10.1111/j.1365-2044.1975.tb00863.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1096653/
ID  - 1096653
ER  -