Heart rate variability: are there complex patterns?

Tan, Can2014-02-182013Tan, Can Ozan. 2013. “Heart rate variability: are there complex patterns?” Frontiers in Physiology 4 (1): 165. doi:10.3389/fphys.2013.00165. http://dx.doi.org/10.3389/fphys.2013.00165.1664-042Xhttp://nrs.harvard.edu/urn-3:HUL.InstRepos:11717670en-USOpinion ArticleHeart rate variability: are there complex patterns?Journal Article2014-02-1810.3389/fphys.2013.00165