1. “Constructing Access to legal abortion services in Mexico City,”;Billings;Reproductive Health Matters,2002
2. “Conocimientos, actitudes y prácticas de los médicos mexicanos sobre el aborto: Resultados de una encuesta nacional.” [“Knowledge, attitudes, and practices of Mexican physicians concerning abortion: Results of a national survey.”];García;Gaceta Médica de México,2003
3. “Abortion, social inequity, and women's health: Obstetrician-gynecologists as agents of change,”;Gasman;International Journal of Gynecology and Obstetrics,2006
4. “Abortion and politics in Mexico: ‘Context is all,”’;Lamas;Reproductive Health Matters,2000