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Table representation of search results timeline featuring number of search results per year.
Year
Number of Results
1964
4
1965
20
1966
86
1967
154
1968
90
1969
1
1970
1
1971
1
1972
1
1973
4
1974
3
1975
6
1976
9
1977
9
1978
2
1979
5
1980
3
1982
1
1983
3
1984
4
1985
15
1986
1
1987
11
1988
22
1989
191
1990
778
1991
974
1992
1008
1993
1067
1994
1044
1995
889
1996
906
1997
987
1998
1134
1999
1108
2000
1083
2001
1252
2002
1371
2003
1436
2004
1514
2005
1639
2006
1845
2007
1931
2008
1891
2009
1937
2010
2076
2011
2282
2012
2132
2013
2151
2014
2208
2015
2219
2016
2068
2017
2016
2018
1961
2019
2038
2020
1551
2021
1095
2022
1375
2023
1168
2024
840
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Page 1
Heart rate variability.
Cygankiewicz I, Zareba W.
Cygankiewicz I, et al.
Handb Clin Neurol. 2013;117:379-93. doi: 10.1016/B978-0-444-53491-0.00031-6.
Handb Clin Neurol. 2013.
PMID: 24095141
Review.
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Heart rate variability in mind-body interventions.
Ma Y, McCraty R.
Ma Y, et al.
Complement Ther Med. 2016 Dec;29:A1-A2. doi: 10.1016/j.ctim.2016.05.003. Epub 2016 May 6.
Complement Ther Med. 2016.
PMID: 27912965
No abstract available.
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Fetal heart rate during maternal sleep.
DiPietro JA, Raghunathan RS, Wu HT, Bai J, Watson H, Sgambati FP, Henderson JL, Pien GW.
DiPietro JA, et al.
Dev Psychobiol. 2021 Jul;63(5):945-959. doi: 10.1002/dev.22118. Epub 2021 Mar 25.
Dev Psychobiol. 2021.
PMID: 33764539
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Adaptive Clinical Trial
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Controlled Clinical Trial
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Expression of Concern
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Practice Guideline
Pragmatic Clinical Trial
Preprint
Published Erratum
Randomized Controlled Trial, Veterinary
Research Support, American Recovery and Reinvestment Act
Research Support, N.I.H., Extramural
Research Support, N.I.H., Intramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, U.S. Gov't, P.H.S.
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