December 1, 2007 Research Article Factors Associated with Sexual Abstinence among Adolescents in Four Sub-Saharan African Countries Caroline W. Kabiru and Alex Ezeh Journal of Reproductive Health
April 1, 2006 Research Article Vaccine for cervical cancer: reaching adolescents in sub-Saharan Africa Ann Biddlecom, Akinrinola Bankole and Kate Patterson The Lancet
December 1, 2001 Research Article Is Poverty a Driver for Risky Sexual Behaviour? Evidence from National Surveys of Adolescents in four African Countries Nyovani Madise, Eliya Zulu and James Ciera Journal of Reproductive Health
January 19, 1999 Research Article The Incidence of Abortion Worldwide Stanley K. Henshaw, Susheela Singh and Taylor Haas International Perspectives on Sexual and Reproductive Health