@book{85658,
	author = {Frontera, Pedro,},
	title = {Los avances de la medicina actual /},
	publisher = {Catarata,},
	year = {2020.},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/80872/}
}