| NAMCS | National Ambulatory Medical Care Survey |
|---|---|
| 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 |
| models, biological | Theoretical representations that simulate the behaviour or activity of biological processes or diseases. For disease models in living animals, disease models, animal is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. (12 Dec 1998) |
|---|---|
| immunologic and biological factors | A collective grouping for biologically active substances that play a role in the functioning of the immune system and those that show biological or physiological activity. (12 Dec 1998) |
| integrated biological hazard potential | <radiobiology> Total biological hazard potential of a collection of radioactive materials summed over their decay lifetimes. One measure of the integrated biological hazard potential is the amount of water one would need to use to dilute the materials to the point where the water would be safe to drink. (09 Oct 1997) |