GoogleApi.HealthCare.V1beta1.Model.LinkedEntity (google_api_health_care v0.38.2) View Source
EntityMentions can be linked to multiple entities using a LinkedEntity message lets us add other fields, e.g. confidence.
nil) - entity_id is a concept unique identifier. These are prefixed by a string that identifies the entity coding system, followed by the unique identifier within that system. For example, "UMLS/C0000970". This also supports ad hoc entities, which are formed by normalizing entity mention content.