PettyTL. Rational respiratory therapy. N Engl J Med1986;315:317–318.
2.
ZibrakJD, RossettiT, WoodE.Effective reductions in respiratory therapy on patient outcome. N Engl J Med1986;315:292–295.
3.
O'DonohueWJJr, FreygangJG. Respiratory therapy ordering guide-lines (unpublished quality assurance indicators). AMI: St Joseph Hospital at Creighton University Medical Center, Omaha.