@book{295519,
	author = {Fitzpatrick, Joyce J.},
	title = {Encyclopedia of Nursing Research},
	year = {2011},
	url = {http://file.zums.ac.ir/ebook/121-Encyclopedia%20of%20Nursing%20Research%20-%20Third%20Edition-Joyce%20J.%20Fitzpatrick%20PhD%20MBA%20RN%20FAAN%20Meredit.pdf}
}