@book{32842,
	author = {Yupha Wongrostrai and ยุพา วงศ์รสไตร},
	title = {Sustainablity of Mechanical Vantilation  Weaning Protocol Implementation for Critically Ill Paients in Tertiary Hospitals = },
	publisher = {Graduate School Chiang Mai University, },
	year = {2015},
	address = {Chiang Mai : }
}