Calendar-based contraceptive methods (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Calendar-based contraceptive methods" in English language version.

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amazon.com (Global: 105th place; English: 79th place)

  • Goodwin, T. Murphy; Montoro, Martin N.; Muderspach, Laila; Paulson, Richard; Roy, Subir, eds. (2010). Management of Common Problems in Obstetrics and Gynecology, 5th ed. Wiley-Blackwell. ASIN B005D7EP92.

archive.org (Global: 6th place; English: 6th place)

ccel.org (Global: 1,688th place; English: 1,180th place)

contraception.net (Global: low place; English: low place)

  • "Rhythm Method". Contraception.net. 2008. Archived from the original on 2008-05-12. Retrieved 2008-05-18.

contraceptionjournal.org (Global: low place; English: low place)

contraceptivetechnology.com (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

fertilityfriend.com (Global: low place; English: low place)

gardenoffertility.com (Global: low place; English: low place)

ghspjournal.org (Global: low place; English: low place)

handle.net (Global: 102nd place; English: 76th place)

hdl.handle.net

irh.org (Global: low place; English: low place)

nih.gov (Global: 4th place; English: 4th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

ovusoft.com (Global: low place; English: low place)

popcouncil.org (Global: low place; English: low place)

knowledgecommons.popcouncil.org

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

  • Barbato M, Bitto A, Gray RH, et al. (June–September 1997). "Effects of timing of conception on birth weight and preterm delivery of natural family planning users". Advances in Contraception. 13 (2–3): 215–228. doi:10.1023/A:1006508106197. PMID 9288339. S2CID 24939823.

time.com (Global: 61st place; English: 54th place)

usaid.gov (Global: 4,969th place; English: 3,370th place)

pdf.usaid.gov

web.archive.org (Global: 1st place; English: 1st place)

  • "Rhythm Method". Contraception.net. 2008. Archived from the original on 2008-05-12. Retrieved 2008-05-18.
  • Weschler, Toni. "Fertility Myths". Ovusoft. Taking Charge of Your Fertility. Archived from the original on 2008-04-22. Retrieved 2008-04-29.
  • Singer, Katie (2007). "What is Fertility Awareness?". The Garden of Fertility. Archived from the original on 2018-10-17. Retrieved 2008-05-18.
  • "Natural Family Planning". Institute for Reproductive Health, Georgetown University. 2005. Archived from the original on 2006-02-08. Retrieved 2008-05-18.
  • Hatcher, RA; Trussel J; Stewart F; et al. (2000). Contraceptive Technology (18th ed.). New York: Ardent Media. ISBN 0-9664902-6-6. Archived from the original on 2008-05-31. Retrieved 2006-10-02.
  • Urmil Dosajh; Ishita Ghosh; Rebecka Lundgren, Feasibility of Incorporating the Standard Days Method into CASP Family Planning Services in Urban Slums of India (PDF), The Institute for Reproductive Health, Georgetown University, archived from the original (PDF) on October 1, 2006, retrieved 2006-12-02

webmd.com (Global: 1,169th place; English: 1,075th place)

  • "Rhythm Method". Birth Control Health Center. WebMD. 2005. Retrieved 2008-05-18.

who.int (Global: 195th place; English: 302nd place)

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org