3Kallstrom T J, American Association for Respiratory Care (AARC).AARC Clinical Practice Guideline: Oxygen Therapy for Adults in the Acute Care Facili- ty-2002 Revision and Update [J].RespirCare,2002,47(6):717-720.
7Campbell EJ,Baker MD, Crites-Silver P. Subjective effects of humidification of oxygen for delivery by nasal cannula. A prospective study [J].Chest, 1988,93 (2) :289-93.
2Kallstrom T J,American Association Respiratory Care.(AARC),AARC clinical practice guideline:Oxygen therapy for adults in the acute care facility-2002 revision and update study[J].Respir Care,2002,47(6):717-720.