Evolution of treatment with CPAP over 21 months of follow-up in patients with sleep apnea hypopnea syndrome
Juan Fernández-Lahera, Francisco García Río, Carlos Carpio, Darwin Feliz, David Romero, Eli Martínez, Concepciόn Prados, Rodolfo Alvarez-Sala
European Respiratory Journal 2011 38: p2193; DOI: