A Comparative Study of Fetal Heart Rate Variability Analysis Techniques. - Paul Hopkins; Nicholas John Outram; Nils Lofgren; Emmanuel C. Ifeachor; Karl G. Rosen (EMBC, 2006)

Assessment of fetal reactivity biopatterns during labour by fetal ECG analysis. - Sodia Blad; David Larsson 002; Nick Outram; Karl G. Rosen (IJCNN, 2009)