1. C. Monk, W. P. Fifer, M. M. Myers, et al, Maternal stress responses and anxiety during
2. S. Schulz, F. C. Adochiei, I. R. Edu, et al, Cardiovascular and cardiorespiratory coupling analyses: A review, Phil. Trans. Math. Phys. Eng. Sci.,
3. L. Faes, A. Porta and G. Nollo, Mutual nonlinear prediction as a tool to evaluate coupling strength and directionality in bivariate time series: comparison among different strategies based on k nearest neighbors, Phys. Rev. E, Stat. nonlin. Soft Matter phys., 78
4. Types of Heart Block, 2012. Available