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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1965 1
1966 1
1967 4
1968 6
1969 4
1970 8
1971 7
1972 13
1973 4
1974 10
1975 17
1976 19
1977 25
1978 27
1979 38
1980 33
1981 31
1982 45
1983 32
1984 49
1985 94
1986 93
1987 89
1988 80
1989 96
1990 103
1991 108
1992 108
1993 112
1994 98
1995 95
1996 107
1997 117
1998 127
1999 159
2000 112
2001 161
2002 130
2003 129
2004 110
2005 129
2006 135
2007 103
2008 109
2009 129
2010 126
2011 112
2012 140
2013 145
2014 153
2015 108
2016 114
2017 107
2018 87
2019 107
2020 97
2021 52
2022 20
2023 13
2024 24

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4,310 results

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Page 1
Assessment of Circadian Rhythms.
Reid KJ. Reid KJ. Neurol Clin. 2019 Aug;37(3):505-526. doi: 10.1016/j.ncl.2019.05.001. Neurol Clin. 2019. PMID: 31256786 Free PMC article. Review.
4,310 results