Applicability of vascular ultrasound in smoking patients - Sanchez Azofra, Ana; Diab Caceres, Layla; Landete Rodriguez, Pedro; Acosta Gutierrez, Carmen; Aldave Orzaiz, Beatriz; Zamora Garcia, Enrique; Gonzalez Rodriguez, Agueda; Martinez Vergara, Adrian; Churruca Arrospide, Maria; Soriano, Joan B; Ancochea, Julio (EUROPEAN RESPIRATORY JOURNAL, 2019)