1.
Circadian heart rate variability in Parkinson's disease
by PURSIAINEN, Ville
Journal of neurology, 2002, Vol.249 (11), p.1535-1540

2.
Levodopa, bromocriptine and selegiline modify cardiovascular responses in Parkinson's disease
by HAAPANIEMI, Tarja H
Journal of neurology, 2000, Vol.247 (11), p.868-874

3.
Suppressed sympathetic skin response in Parkinson disease
by Haapaniemi, T H
Clinical autonomic research, 2000-12, Vol.10 (6), p.337-342
