Centers for Disease Control and Prevention (US). National Health and Nutrition Examination Survey: What/s new [cited 2013 Nov 15. Available from: URL: http://www.cdc.gov/nchs/nhanes/new_nhanes.htm.
2.
Centers for Disease Control and Prevention (US). National Health and Nutrition Examination Survey: Main continuous and historical NHANES tutorials [cited 2013 Nov 15. Available from: URL: http://www.cdc.gov/nchs/tutorials.
3.
Centers for Disease Control and Prevention (US). NHANES National Youth Fitness Survey: What/s new [cited 2013 Nov 15. Available from: URL: http://www.cdc.gov/nchs/nnyfs/new_nnyfs.htm.
4.
PurdyCWeissWPerryH.The Mortality Assessment for Health Programs (MAP) system: An NGO field manual for registering vital events and assessing child survival outcomes using the care group model. 1st ed. Washington: CORE Group; January 2013.
5.
Centers for Disease Control and Prevention (US). International statistics program [cited 2013 Nov 15. Available from: URL: http://www.cdc.gov/nchs/isp.htm.