@book{520590,
	author = {ClinicalKey eBooks.},
	title = {Revista portuguesa de pneumologia.},
	publisher = {Elsevier España},
	address = {[Madrid?] :},
	edition = {English ed.},
	url = {http://ezproxy.alfaisal.edu/login?url=https://www.clinicalkey.com/dura/browse/journalIssue/21735115}
}