
Links:
[1] http://www.icmer.org/documentos/anticoncepcion_de_emergencia/MOA_FINAL_2011_ENG.pdf
[2] http://nsvrc.org/publications/en-espanol-articles/mecanismo-de-accion-de-que-modo-las-pildoras-anticonceptivas-de
[3] http://www.nsvrc.org/publications/medical/health
[4] http://www.nsvrc.org/publications/medicalhealth/emergency-contraception-ec
[5] http://www.nsvrc.org/publications/articles