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

Year Number of Results
1964 1
1972 1
1978 1
1979 1
1980 2
1981 3
1982 2
1983 2
1984 2
1985 10
1986 1
1987 1
1988 2
1990 4
1991 3
1993 1
1994 1
1995 5
1996 2
1997 1
1998 5
1999 3
2000 1
2002 2
2003 3
2004 1
2005 2
2007 1
2010 2
2014 1
2015 3
2017 3
2018 1
2019 2
2020 1
2024 0

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77 results

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Page 1
Definition and prevalence of subfertility and infertility.
Gnoth C, Godehardt E, Frank-Herrmann P, Friol K, Tigges J, Freundl G. Gnoth C, et al. Among authors: freundl g. Hum Reprod. 2005 May;20(5):1144-7. doi: 10.1093/humrep/deh870. Epub 2005 Mar 31. Hum Reprod. 2005. PMID: 15802321 Review.
Fertility awareness-based mobile application.
Frank-Herrmann P, Stanford JB, Freundl G. Frank-Herrmann P, et al. Among authors: freundl g. Eur J Contracept Reprod Health Care. 2017 Oct;22(5):396-397. doi: 10.1080/13625187.2017.1362691. Epub 2017 Aug 29. Eur J Contracept Reprod Health Care. 2017. PMID: 28849952 No abstract available.
[Natural family planning].
Freundl G. Freundl G. Arch Gynecol Obstet. 1995;257(1-4):525-32. doi: 10.1007/BF02264881. Arch Gynecol Obstet. 1995. PMID: 8579436 Review. German. No abstract available.
[Contraception in adolescents].
Freundl G, Frank-Herrmann P. Freundl G, et al. Gynakologe. 1991 Apr;24(2):81-6. Gynakologe. 1991. PMID: 1743570 Review. German.
Natural family planning.
Freundl G, Frank-Herrmann P. Freundl G, et al. Lancet. 1995 Sep 16;346(8977):774-5; author reply 775-6. Lancet. 1995. PMID: 7658891 No abstract available.
The impact of disturbances in natural conception cycles.
Gnoth C, Keil AK, Schiffner J, Heil S, Mallmann P, Freundl G, Strowitzki T. Gnoth C, et al. Among authors: freundl g. Arch Gynecol Obstet. 2020 Apr;301(4):1069-1080. doi: 10.1007/s00404-020-05464-y. Epub 2020 Mar 5. Arch Gynecol Obstet. 2020. PMID: 32140804
Plausibility of Menstrual Cycle Apps Claiming to Support Conception.
Freis A, Freundl-Schütt T, Wallwiener LM, Baur S, Strowitzki T, Freundl G, Frank-Herrmann P. Freis A, et al. Among authors: freundl g. Front Public Health. 2018 Apr 3;6:98. doi: 10.3389/fpubh.2018.00098. eCollection 2018. Front Public Health. 2018. PMID: 29666788 Free PMC article.
77 results