RT Journal Article SR Electronic T1 The authors reply: JF Respiratory Care FD American Association for Respiratory Care SP 387 OP 388 VO 50 IS 3 A1 Unoki, Takeshi A1 Mizutani, Taro A1 Toyooka, Hidenori YR 2005 UL http://rc.rcjournal.com/content/50/3/387.3.abstract AB