Validity Test for a Set of Nonlinear Measures for Short Data Length with Reference to Short-Term Heart Rate Variability Signal. - Remzi Seker; Sokol Saliu; Ahmet Birand; Gulmira Kudaiberdieva (J. Syst. Integr., 2000)

Bispectral analysis of heart rate variability signal. - Sokol Saliu; Ahmet Birand; Gulmira Kudaiberdieva (EUSIPCO, 2002)

Predictability of baroreflex sensitivity induced by phenylephrine injection via frequency domain indices computed from heart rate and systolic blood pressure signals during deep breathing. - Sami Arica; Nuri Firat Ince; Abdi Bozkurt; Ahmet Birand; Ahmed H. Tewfik (Biomed. Signal Process. Control., 2010)

Prediction of pharmacologically induced baroreflex sensitivity from local time and frequency domain indices of R-R interval and systolic blood pressure signals obtained during deep breathing. - Sami Arica; Nuri Firat Ince; Abdi Bozkurt; Ahmed H. Tewfik; Ahmet Birand (Comput. Biol. Medicine, 2011)