Método de amenorreia lactacional (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Método de amenorreia lactacional" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1plannedparenthood.org

low place

low place

4^th place

8^th place

low place

low place

ccli.org

Sheila Kippley. novembro–dezembro de 1986 and January-February 1987. «Breastfeeding survey results similar to 1971 study». The CCL News. 13 (3). 10 páginas and 13(4): 5.

nih.gov

ncbi.nlm.nih.gov

Sheila K. and John F. Kippley (novembro–dezembro de 1972). «The relation between breastfeeding and amenorrhea». Journal of obstetric, gynecologic, and neonatal nursing. 1 (4): 15-21. PMID 4485271

plannedparenthood.org

«Comparison of Effectiveness». Planned Parenthood. Abril de 2005. Consultado em 12 de agosto de 2006 , which cites:
:Hatcher, RA; et al.; Trussel J, Stewart F, (2000). Contraceptive Technology 18th ed. New York: Ardent Media. ISBN 0-9664902-6-6