Comprehensive management of obstructive sleep apnea by telemedicine: Clinical improvement and cost-effectiveness of a Virtual Sleep Unit. A randomized controlled trial. oleh Vera M Lugo, Onintza Garmendia, Monique Suarez-Girón, Marta Torres, Francisco J Vázquez-Polo, Miguel A Negrín, Anabel Moraleda, Mariana Roman, Marta Puig, Concepcion Ruiz, Carlos Egea, Juan F Masa, Ramon Farré, Josep M Montserrat