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Date: 2014-01-07 15:22:36Health research National Health and Nutrition Examination Survey United States Department of Health and Human Services National Health Interview Survey Standard error Sample Stratified sampling Serum repository Statistics Sampling Survey methodology | Vital and Health Statistics, Series 2, Number[removed])Add to Reading ListSource URL: www.cdc.govDownload Document from Source WebsiteFile Size: 949,81 KBShare Document on Facebook |