Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Niacin | est un(e) (attribut) | Allergen class (substance) | false | Inferred relationship | Some | ||
| Niacin | est un(e) (attribut) | Drug allergen (substance) | false | Inferred relationship | Some | ||
| Niacin | est un(e) (attribut) | Pyridine | true | Inferred relationship | Some | ||
| Niacin | est un(e) (attribut) | Vitamin B and/or vitamin B derivative (substance) | true | Inferred relationship | Some | ||
| Niacin | est un(e) (attribut) | Nicotinic acid and derivatives | false | Inferred relationship | Some | ||
| Niacin | est un(e) (attribut) | Nicotinic acid and derivatives (substance) | false | Inferred relationship | Some | ||
| Niacin | est un(e) (attribut) | Water-soluble vitamin | false | Inferred relationship | Some | 
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This concept is not in any reference sets