Gräfenberg's ring (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gräfenberg's ring" in English language version.

refsWebsite

Global rank English rank

2web.archive.org

1^st place

1^st place

2contraceptiononline.org

low place

low place

low place

low place

1merriam-webster.com

209^th place

191^st place

contraceptiononline.org

"Evolution and Revolution: The Past, Present, and Future of Contraception". Contraception Online (Baylor College of Medicine). 10 (6). February 2000. Archived from the original on 2008-04-19.
Lynch, Catherine M. "History of the IUD". Contraception Online. Baylor College of Medicine. Archived from the original on 2006-01-27. Retrieved 2006-07-09.

fhi.org

"Mechanisms of the Contraceptive Action of Hormonal Methods and Intrauterine Devices (IUDs)". Family Health International. 2006. Retrieved 2006-07-05.
Keller, Sarah (1996). "IUDs Block Fertilization". Network. Family Health International. Retrieved 2006-07-05.

merriam-webster.com

"Grafenberg." Merriam-Webster Online. International Journal of Sexology. Web. 05 Nov. 2010. <http://www.merriam-webster.com/medical/grafenberg>

web.archive.org

"Evolution and Revolution: The Past, Present, and Future of Contraception". Contraception Online (Baylor College of Medicine). 10 (6). February 2000. Archived from the original on 2008-04-19.
Lynch, Catherine M. "History of the IUD". Contraception Online. Baylor College of Medicine. Archived from the original on 2006-01-27. Retrieved 2006-07-09.