{{Cite conference| publisher = communication orale| conference = International seminar on interrelationships between contraception, unintended pregnancy and induced abortion, Organized by the IUSSP Scientific Panel on Abortion  in collaboration with Ipas-Ethiopia and the Department of Reproductive Health and Research of the World Health Organization| pages = 27| last1 = Guillaume| first1 = Agnès| last2 = Lerner| first2 = Susana| title = The complex relationship between contraception and abortion: barriers and challenges in Latin America and The Carribean| location = Addis Ababa, Ethiopia| date = 2008-12}}