title: "A prospective comparative study to evaluate the utility of lung ultrasonography to improve the accuracy of traditional clinical methods to confirm position of left sided double lumen tube in elective thoracic surgeries".
authors.affiliation: Department of Anesthesia, Resuscitation and Pain, University Hospital Nuestra Señora de Candelaria, Tenerife, Spain E-mail: nalvdiaz@gmail.com.
authors.forename: Nieves Gloria Alvarez
authors.initials: NG
authors.lastname: Diaz