| NASHS | National Adolescent Student Health Survey |
|---|---|
| NDATUS | National Drug and Alcoholism Treatment Unit Survey |
| NHANES | National Health and Nutrition Examination Survey |
| NHDS | National Health Data System; National Hospital Discharge Survey |
| NHIS | National Health Interview Survey |
| NHIS | National Health Interview Survey |
|---|---|
| NHANES | National Health and Nutrition Examination Survey |
| NHANES I | National Health and Nutrition Examination Survey |
| NHANES II | National Health and Nutrition Examination Survey |
| NHAMCS | National Hospital Ambulatory Medical Care Survey |