Kenttä, T., Karsikas, M., Kiviniemi, A., Tulppo, M., Seppänen, T., & Huikuri, H. V. (2010). Dynamics and Rate‐Dependence of the Spatial Angle between Ventricular Depolarization and Repolarization Wave Fronts during Exercise ECG. Ann Noninvasive Electrocardiol.

Kenttä, Tuomas, Mari Karsikas, Antti Kiviniemi, Mikko Tulppo, Tapio Seppänen, và Heikki V. Huikuri. "Dynamics and Rate‐Dependence of the Spatial Angle between Ventricular Depolarization and Repolarization Wave Fronts During Exercise ECG." Ann Noninvasive Electrocardiol 2010.

Kenttä, Tuomas, et al. "Dynamics and Rate‐Dependence of the Spatial Angle between Ventricular Depolarization and Repolarization Wave Fronts During Exercise ECG." Ann Noninvasive Electrocardiol 2010.