[Improvement of high-frequency jet ventilation method in treating respiratory failure].
Yu
X Y
XY
Liu
Y X
YX
Ding
J C
JC
D000368:Aged; D000369:Aged, 80 and over; D006611:High-Frequency Jet Ventilation / Q000379:methods* / Q000592:standards; D006801:Humans; D008875:Middle Aged; D012131:Respiratory Insufficiency / Q000628:therapy*