Quantitative Analysis of cardiorespiratory Synchronization in infants. - Ralf Mrowka; Andreas Patzak; Michael Rosenblum (Int. J. Bifurc. Chaos, 2000)

Coupled oscillators approach to identification of directionality in cardiorespiratory interaction. - Laura Cimponeriu; Michael Rosenblum; Andreas Patzak; Ralf Mrowka; Anastasios Bezerianos (DSP, 2002)