A modified circle breathing system.
Marshall
F P
FP
Perriss
B W
BW
Rodriquez-Gomez
V J
VJ
Searle
J F
JF
D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans; D010100:Oxygen / Q000008:administration & dosage
D010100:Oxygen