Influence of sampling interval on the evaluation of nocturnal blood pressure in subjects with and without obstructive sleep apnoea
O Marrone, S Romano, G Insalaco, MR Bonsignore, A Salvaggio, G Bonsignore
European Respiratory Journal 2000 16: 653-658; DOI: 10.1034/j.1399-3003.2000.16d15.x