發送短信 : Nasal positive pressure ventilation in the treatment of chronic hypercapnic respiratory failure: a case report.

 _    _     _____     _  _    __   __   _    _   
| \  / ||  |  ___||  | \| ||  \ \\/ // | \  / || 
|  \/  ||  | ||__    |  ' ||   \ ` //  |  \/  || 
| .  . ||  | ||__    | .  ||    | ||   | .  . || 
|_|\/|_||  |_____||  |_|\_||    |_||   |_|\/|_|| 
`-`  `-`   `-----`   `-` -`     `-`'   `-`  `-`