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Heart rate variability: measurement and clinical utility.
Kleiger RE, Stein PK, Bigger JT Jr. Kleiger RE, et al. Ann Noninvasive Electrocardiol. 2005 Jan;10(1):88-101. doi: 10.1111/j.1542-474X.2005.10101.x. Ann Noninvasive Electrocardiol. 2005. PMID: 15649244 Free PMC article. Review.
118 results