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Table representation of search results timeline featuring number of search results per year.
Year
Number of Results
1964
5
1965
4
1967
1
1970
1
1971
6
1972
1
1973
153
1974
459
1975
501
1976
536
1977
473
1978
508
1979
506
1980
522
1981
519
1982
526
1983
514
1984
613
1985
665
1986
708
1987
653
1988
674
1989
719
1990
883
1991
917
1992
903
1993
942
1994
955
1995
852
1996
806
1997
772
1998
800
1999
736
2000
866
2001
802
2002
800
2003
778
2004
797
2005
895
2006
893
2007
843
2008
891
2009
930
2010
905
2011
836
2012
874
2013
834
2014
814
2015
848
2016
771
2017
725
2018
671
2019
639
2020
727
2021
678
2022
760
2023
659
2024
288
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Page 1
Gonadotropin-releasing hormone in the ovary.
Metallinou C, Asimakopoulos B, Schröer A, Nikolettos N.
Metallinou C, et al.
Reprod Sci. 2007 Dec;14(8):737-49. doi: 10.1177/1933719107310707.
Reprod Sci. 2007.
PMID: 18089592
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Adaptive Clinical Trial
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