@book{40439,
	author = {Vigil Portales, Pilar,},
	title = {La fertilidad de la pareja humana /},
	publisher = {Ediciones UC,},
	year = {2013.},
	address = {Santiago, Chile :},
	edition = {Cuarta edición ampliada.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/38242/}
}