Route concept attribute for drug exposure
routeConcept(ids, connection = NULL, vocabularyDatabaseSchema = NULL)integer concept ids for the attribute
an optional connection to an OMOP CDM database, used only to look up concept names for display (e.g. in Atlas). When NULL (default) the attribute is built from the ids alone, which produces identical SQL.
the schema of the OMOP vocabulary tables; only used when `connection` is supplied
An attribute for use in drugExposure().