| | 1,4-benzodiazepinone | Published |  | |
| | Definitionno definition provided for external entity CommentNo comment View label data | |
| | 2-way statistical interaction | Proposed | | |
| | DefinitionA statistical interaction between two variables. CommentNo comment View label data | |
| | 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol | Published | | |
| | DefinitionA member of the class of nitrosamines that is butan-1-ol substituted by a pyridin-3-yl group at position 1 and by a methyl(nitroso)amino group at position 4. It is a major metabolite of nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), which is a carcinogen found in tobacco and responsible for inducing lung cancer in smokers. CommentNo comment View label data | |
| | 4-(N-nitrosomethylamino)-1-(3-pyridyl)butan-1-one | Published | | |
| | Definition4-(N-nitrosomethylamino)-1-(3-pyridyl)butan-1-one (CHEBI:32692) is a nitrosamine (CHEBI:35803). CommentNo comment View label data | |
| | 4-week follow-up | Proposed | | |
| | DefinitionFollow-up that occurs at the 4-week follow-up point. CommentNo comment View label data | |
| | abstinence duration | Published | | |
| | DefinitionA temporal interval during which a person is abstinent from a behaviour. CommentNo comment View label data | |
| | abstinence from a behaviour | Published | | |
| | DefinitionA personal attribute in which a person does not engage in a behaviour during a time period. CommentNo comment View label data | |
| | abstinence violation effect | Proposed | | |
| | DefinitionA bodily process in which a behavioural lapse results in relapse through negative emotions attributed by the person to the lapse. CommentNo comment View label data | |
| | abuse potential of a substance | Proposed | | |
| | DefinitionA psychoactive substance disposition that is its propensity to lead people who use the substance to develop a harmful pattern of consumption. CommentNo comment View label data | |
| | accessibility of addiction treatment | Proposed | | |
| | DefinitionAccessibility of a service in which the service is addiction treatment. CommentNo comment View label data | |
| | accessibility of primary healthcare physician advice | Proposed | | |
| | DefinitionAn environmental disposition that is the extent to which an environment enables people in that environment to receive advice from a primary health care physician. CommentNo comment View label data | |
| | acetyl-amino acid | Published | | |
| | DefinitionAny amino acid derivative that is the <em>N</em>-acetyl or <em>O</em>-acetyl derivative of an amino acid. CommentNo comment View label data | |
| | acetylcysteine | Published | | |
| | DefinitionA metabolite of acrolein and may be found in the urine of smokers. CommentNo comment View label data | |
| | action specification | Published | | |
| | DefinitionA directive information entity that describes an action the bearer will take. CommentNo comment View label data | |
| | addict identity | Published | | |
| | DefinitionA self-identity in which a person represents themselves as being addicted to something. CommentNo comment View label data | |