Key term: parasympathetic activity

Original article 2012;38(2):171-181   pdf
Heart rate variability and endothelial function after sleep deprivation and recovery sleep among male shift and non-shift workers
Wehrens SMT, Hampton SM, Skene DJ
Original article 2005;31(5):360-366   pdf
Acute effects of cigarette smoking on the heart rate variability of taxi drivers during work
Kobayashi F, Watanabe T, Akamatsu Y, Furui H, Tomita T, Ohashi R, Hayano J