@book{214130,
	author = {Wenzel, Amy.},
	title = {Métodos cognitivos y su aplicación a la investigación clínica},
	publisher = {Manual Moderno},
	year = {c2008.},
	address = {México},
	url = {http://www.loc.gov/catdir/toc/ecip0419/2004013986.html}
}