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Results by year

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

Year Number of Results
1970 1
1972 1
1973 19
1974 18
1975 17
1976 22
1977 8
1978 13
1979 12
1980 17
1981 24
1982 17
1983 22
1984 33
1985 36
1986 33
1987 29
1988 24
1989 30
1990 40
1991 51
1992 47
1993 44
1994 55
1995 60
1996 65
1997 83
1998 93
1999 109
2000 124
2001 126
2002 123
2003 112
2004 148
2005 175
2006 140
2007 193
2008 214
2009 226
2010 239
2011 236
2012 273
2013 270
2014 300
2015 297
2016 296
2017 279
2018 289
2019 291
2020 366
2021 518
2022 660
2023 560
2024 206

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6,412 results

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Page 1
Attention-deficit hyperactivity disorder.
Thapar AK, Thapar A. Thapar AK, et al. Br J Gen Pract. 2003 Mar;53(488):225-30. Br J Gen Pract. 2003. PMID: 14694701 Free PMC article. Review.
What is attention-deficit/hyperactivity disorder?
Mercugliano M. Mercugliano M. Pediatr Clin North Am. 1999 Oct;46(5):831-43. doi: 10.1016/s0031-3955(05)70157-7. Pediatr Clin North Am. 1999. PMID: 10570690 Review.
6,412 results