1. 1. Donald PR. Childhood tuberculosis: the hidden epidemic lnt J Tuberc Lung Dis. 2004: 8(5):627-629.
2. 2. World Health Organization. Childhood Tuberculosis and BCG vaccine: Expanded Program on Immunization Update Supplement. Geneva Switzerland: WHO; 1989.
3. 3. Nelson LJ Wells CD. Global epidemiology of childhood tuberculosis. Int J Tuberc Lung Dis. 2004;8(5):636-647.
4. 4. Wells CD Nelson LJ. New international efforts in childhood tuberculosis: proceedings from the 2002 Workshop on Childhood Tuberculosis Montreal Canada 6-7 October 2002. Int J Tuberc Lung Dis. 2004;8(5):630-635.
5. 5. Enarson DA. Children and the global tuberculosis situation. Paediatr Respir Rev. 2004;5 Suppl A:S 143- 145.