@book{60071,
	author = {LoBiondo-Wood, Geri and Haber, Judith},
	title = {Nursing research : methods and critical appraisal for evidence-based practice /},
	publisher = {Mosby/Elsevier,},
	year = {2010},
	address = {St. Louis, Mo. :},
	edition = {7th ed}
}