Nonlinear Measures of Respiration: Respiratory Irregularity and Increased Chaos of Respiration in Patients with Panic DisorderVikram K. Yeragani, Thomas W. Uhde, R.K.A. Radhakrishna et al.|Neuropsychobiology|2002Cited by 95
Linear and nonlinear measures of blood pressure variability: Increased chaos of blood pressure time series in patients with panic disorderVikram K. Yeragani, Thomas W. Uhde, R.K.A. Radhakrishna et al.|Depression and Anxiety|2004Cited by 24