@book{10699,
	author = {Gupta,Ekta },
	title = {Comparison of lung ultrasound technique versus clinical method to evaluate the accuracy of positioning of left endobronchial double  lumen tube in patients undergoing elective thoracic surgery-A  prospective observational study },
	publisher = {AIIMS,},
	year = {July 2021},
	address = {Bhopal;}
}