@book{55258,
	author = {Fritz, MarcA., and Speroff, Leon,},
	title = {Endocrinología ginecológica clínica y esterilidad /},
	publisher = {Wolters Kluwer Health,},
	year = {2012.},
	address = {Barcelona :},
	edition = {8a ed.},
	note = {Título original: Clinical gynecologic endocrinology and infertility.}
}