Substantia nigra echomorphology in the healthy very old: Correlation with motor slowing. - Stefanie Behnke; Kay L. Double; Stephen R. Duma; G. Anthony Broe; V. Guenther; G. Becker; G. M. Halliday (NeuroImage, 2007)

Substantia nigra echomorphology and motor cortex excitability. - Gabrielle Todd; Janet L. Taylor; D. Baumann; J. E. Butler; Stephen R. Duma; Michael Hayes; Francine Carew-Jones; Olivier Piguet; Stefanie Behnke; Michael C. Ridding; Daniela Berg; Kay L. Double (NeuroImage, 2010)

Joint symbolic dynamics as a model-free approach to study interdependence in cardio-respiratory time series. - Mathias Baumert; Rachael Brown; Stephen R. Duma; G. Anthony Broe; Muammar M. Kabir; Vaughan G. Macefield (EMBC, 2012)