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APA Citation
Khandoker, A. H., Marzbanrad, F., Voss, A., Schulz, S., Kimura, Y., Endo, M., & Palaniswami, M. (2016). analysis of maternal–fetal heart rate coupling directions with partial directed coherence. Biomedical signal processing and control, 30, 25–30. http://access.bl.uk/ark:/81055/vdc_100035235420.0x000011