1. The decline of child mortality;Ahmad;Bull WHO,2000
2. Trends in childhood cancer incidence and mortality in Catalonia, Spain, 1975–1998;Gonzalez;Eur J Cancer Prev,2004
3. Fact sheet,2004
4. UNICEF. A league table of child deaths by injury in rich nations. Florence: Innocenti Report Card, 2001. http://www.unicef-icdc.org/publications/pdf/repcard2e.pdf.
5. World development report 2000/2001. Attacking poverty,2001