Documentos de consulta general:
http://www.who.int/reproductive-health/family_planning
http://www.who.int/reproductive-health/pages_resources/listing_family_planning.htm
http://www.who.int/reproductive-health/publications/mec/mec.pdf
http://www.clae.info/index.html
http://www.clae.info/publicaciones.html
http://www.acog.org/from_home/publications/press_releases
http://www.arhp.org/ec
http://www.crlp.org/pdf/pub_bp_ec_commonlegal.pdf
http://www.ecconnection.org
http://www.plannedparenthoodchicago.com
http://www.ppin.org/ecaccess/ecinfo.html
http://www.pplm.org/clinic/pplm2.html