@article{2944548, title = "Hour-to-hour and week-to-week variability and reproducibility of wave reflection indices derived by aortic pulse wave analysis: implications for studies with repeated measurements", author = "Theodore G Papaioannou and Emmanouil N Karatzis and Kalliopi N Karatzi and Elias J Gialafos and Athanassios D Protogerou and Kimon S Stamatelopoulos and Christos M Papamichael and John P Lekakis and Christodoulos I Stefanadis", journal = "International Journal of Hypertension", year = "2007", volume = "25", number = "8", pages = "1678--1686", publisher = "Ovid Technologies (Wolters Kluwer Health)", issn = "2090-0392", doi = "10.1097/hjh.0b013e3281ab6c58" }