
Links:
[1] http://www.icmer.org/documentos/anticoncepcion_de_emergencia/ICEC%20FIGO%20%28MOA_FINAL_2011%20SPA%29.pdf
[2] http://nsvrc.org/publications/articles/mechanism-action-how-do-levonorgestrel-only-emergency-contraceptive-pills-lng
[3] http://nsvrc.org/publications/taxonomy/term/24
[4] http://nsvrc.org/publications/taxonomy/term/53
[5] http://nsvrc.org/publications/en-espanol
[6] http://nsvrc.org/publications/articles