title: [Is usually more often than frequently, or how often is sometimes?].
authors.forename: P G
authors.initials: PG
authors.lastname: Knipschild
mesh_terms: D003142:Communication; D006801:Humans; D012660:Semantics; D013223:Statistics as Topic; D013337:Students, Medical
vernacular_title: Is doorgaans vaker dan dikwijls; of hoe vaak is soms?