Nuchanat Piboonratanakul. (2000) Nursing activities to prepare patients for weaning from mechanical ventilator. Mahidol University,:ม.ป.ท.Nuchanat Piboonratanakul. 2000. Nursing activities to prepare patients for weaning from mechanical ventilator. ม.ป.ท.:Mahidol University,;Nuchanat Piboonratanakul. Nursing activities to prepare patients for weaning from mechanical ventilator. ม.ป.ท.:Mahidol University, 2000. Print.