@book{55928,
	author = {Kareem Nagy Abbas Ahmed  and Asser Hussein Manaa , },
	title = {Role of perioperative transesophageal echocardiography in decision making in cardiac surgery / },
	publisher = {Kareem Nagy Abbas Ahmed  , },
	year = {2015},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}