| A | . AOD use, abuse, and dependence d-out qh ah |
| Be | . AOD substance or product d-out qh ah |
| C | . natural science d-out qh ah |
| E | . concepts in biomedical areas d-out qh ah |
| F | . concepts in psychology and thought d-out qh ah |
| G | . health and disease d-out qh ah |
| HA | . screening and diagnostic method d-out qh ah |
| HJe | . treatment method d-out qh ah |
| J | . prevention, treatment, and maintenance. health care d-out qh ah |
| Le | . social psychology and related concepts d-out qh ah |
| M | . social sciences, economics, and law d-out qh ah |
| MW | . religion, the humanities, and the arts d-out qh ah |
| N | . communication, information, and education d-out qh ah |
| O | . technology. safety and accidents d-out qh ah |
| OZe | . sports d-out qh ah |
| PA | . demography and epidemiology d-out qh ah |
| PM | . history, geography, and the environment d-out qh ah |
| R | . research method and research organization d-out qh ah |
| S | . field, discipline, or occupation d-out qh ah |
| Te | . demographic characteristics d-out qh ah |
| VA | . geographic area d-out qh ah |
| VRe | . language d-out qh ah |
| VZe | . religious group d-out qh ah |
| W | . living organisms d-out qh ah |
| Xe | . body part d-out qh ah |
| Y | . chemical substances by function d-out qh ah |
| Z | . chemical substances by structure d-out qh ah |
classification thesaurus glossary dictionary definition subject heading list ontology vocabulary knowledge structure knowledge organization terminology concept