title: The true function of the thymus?
authors.forename: M A
authors.initials: MA
authors.lastname: Ritter
authors.forename: J
authors.initials: J
authors.lastname: Rozing
authors.forename: H J
authors.initials: HJ
authors.lastname: Schuurman
mesh_terms: D000818:Animals; D002450:Cell Communication; D006801:Humans; D013950:Thymus Gland / Q000166:cytology / Q000276:immunology / Q000502:physiology*