title: [Preliminary remarks from the editor].
authors.forename: Johanna
authors.initials: J
authors.lastname: Bleker
mesh_terms: D035843:Biomedical Research / Q000266:history*; D005858:Germany; D006077:Government Agencies / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D028683:National Socialism / Q000266:history*; D011057:Politics