@book{520725,
	author = {Lumb, Philip D. and ClinicalKey eBooks.},
	title = {Critical care ultrasound /},
	publisher = {Elsevier/Saunders,},
	year = {2015.},
	address = {Philadephia, Pennsylvania :},
	url = {http://ezproxy.alfaisal.edu/login?url=https://www.clinicalkey.com/dura/browse/bookChapter/3-s2.0-C20120024891}
}