*  drainage, postural
  *  extracorporeal membrane oxygenation
  *  chest wall oscillation
  *  oxygen inhalation therapy
  *  hyperbaric oxygenation
  *  respiration, artificial
  *  high-frequency ventilation
  *  high-frequency jet ventilation
  *  liquid ventilation
  *  positive-pressure respiration
  *  continuous positive airway pressure
  *  intermittent positive pressure breathing
  *  Intermittent positive pressure ventilation
  *  ventilator weaning