title: [Old-age correspondence between the biochemists Markus Guggenheim and Heinrich Wieland].
mesh_terms: D001671:Biochemistry / Q000266:history*; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D013557:Switzerland
vernacular_title: Aus dem Altersbriefwechsel der Biochemiker Markus Guggenheim und Heinrich Wieland