title: [On the 200th volume of the Zentrallblattes für Hygiene und Umveltmedizin].
authors.forename: K O
authors.initials: KO
authors.lastname: Gundermann
authors.forename: A R
authors.initials: AR
authors.lastname: Thofern
mesh_terms: D004782:Environmental Health / Q000266:history*; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history*; D011634:Public Health / Q000266:history*