Erola Tuomo, Haapaniemi Tarja, Heikkinen Esa, Huikuri Heikki, Myllyä Vilho
Clin Auton Res. 2006 Aug;16(4):286-8. doi: 10.1007/s10286-006-0354-3. Epub 2006 Jun 21.
The power spectra of the heart rate variability frequency bands, analyzed from 24-hour ECG recordings, did not change 12 months after bilateral subthalamic nucleus operation in 14 patients with Parkinson's disease.