title: [Influenza-B in the Netherlands during the spring of 1950].
authors.forename: J
authors.initials: J
authors.lastname: MULDER
mesh_terms: D006801:Humans; D007251:Influenza, Human; D009426:Netherlands; D012621:Seasons
keywords: INFLUENZA
vernacular_title: Influenza-B in Nederland in het voorjaar van 1950.