title: Paul Ehrlich.
authors.forename: V
authors.initials: V
authors.lastname: Jay
mesh_terms: D000486:Allergy and Immunology / Q000266:history; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D013194:Staining and Labeling / Q000266:history*