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

Year Number of Results
1948 2
1951 18
1952 30
1953 20
1954 14
1955 11
1956 12
1957 12
1958 6
1959 5
1965 16
1966 40
1967 38
1968 36
1969 21
1970 40
1971 32
1972 22
1973 26
1974 24
1975 32
1976 30
1977 40
1978 34
1979 28
1980 29
1981 33
1982 41
1983 32
1984 32
1985 22
1986 26
1987 46
1988 46
1989 41
1990 54
1991 53
1992 63
1993 106
1994 107
1995 127
1996 112
1997 151
1998 155
1999 183
2000 149
2001 182
2002 209
2003 192
2004 198
2005 237
2006 240
2007 261
2008 285
2009 249
2010 233
2011 243
2012 234
2013 254
2014 237
2015 274
2016 234
2017 245
2018 235
2019 236
2020 178
2021 113
2022 46
2023 41
2024 99

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6,633 results

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Page 1
Safety of folic acid.
Field MS, Stover PJ. Field MS, et al. Ann N Y Acad Sci. 2018 Feb;1414(1):59-71. doi: 10.1111/nyas.13499. Epub 2017 Nov 20. Ann N Y Acad Sci. 2018. PMID: 29155442 Free PMC article. Review.
6,633 results