title: [Biographical sketch of Willem Karel Hirschfeld on the occasion of his seventieth birthday (author's transl)].
mesh_terms: D000822:Animal Husbandry; D005823:Genetics; D006666:History of Medicine; D009426:Netherlands
vernacular_title: Levensschets van Dr. Willem Karel Hirschfeld, ter gelegenheid van zijn zeventigste verjaardag