Apnea-Specific Pulse-Rate Response is Associated With Early Subclinical Atherosclerosis in Obstructive Sleep Apnea Ana Sanchez-Azofra; Jeremy E. Orr; David Sanz-Rubio; Marta Marin-Oto; Sergio Alarcon-Sisamon; Eugenio Vicente; Julio Ancochea; Joan B. Soriano; Pamela DeYoung; Ali Azarbarzin; Atul Malhotra; Jose M. Marin;