@book{9284,
	author = {Burns, Nancy and Grove, Susan K.},
	title = {The practice of nursing research : appraisal, synthesis, and generation of evidence},
	publisher = {Sunders Elsevies ,},
	year = {2009},
	address = {St Louis:},
	edition = {6th ed},
	note = {Includes bibliographical references and index}
}