The omop_vocabulary table includes a list of the Vocabularies collected from various sources or created de novo by the OMOP community. This reference table is populated with a single record for each Vocabulary source and includes a descriptive name and other associated attributes for the Vocabulary.
Further details can be found in the OMOP CDM Vocabulary Tables specifications - https://ohdsi.github.io/CommonDataModel/cdm53.html#Vocabulary_Tables

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