1. Department of Economic and Social Affairs Population Division. (2009). World Population Prospects, 2008. United Nations.
2. De Onis M, Garza C, Onyango AW, Borghi E. Comparison of the WHO Child Growth Standards and the CDC 2000 Growth Charts. J Nutr. 2007;137;144–8.
3. Advance data from vital and health statistics;R.J. Kuczmarski,2000
4. Kuczmarski RJ, Ogden CL, Guo SS, Grummer-Strawn LM, Flegal KM, Mei Z, et al. 2000 CDC growth charts for the United States: methods and development. Vital Health Stat 11. 2002;246:1–190.
5. Annonymous. 2000 CDC Growth Charts for the United States: Methods and Development. Series Report 11, No. 246. 201 pp.