National Health and Nutrition Examination Survey I, 1971-1975: Medical Examination
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资源简介：
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
创建时间：
2014-01-10
