Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Fumiharu Togo, Ken Kiyono, Zbigniew R. Struzik, Yoshiharu Yamamoto. Unique very low-frequency heart rate variability during deep sleep in humans. IEEE Trans. Biomed. Engineering, 53(1):28-34, 2006. [doi]
Abstract is missing.