title: [In commemoration of Herman Keller 1936-2011].
authors: Hansueli
authors: H
authors: Bertschinger
authors: Esther
authors: E
authors: Bürgi
authors: Xaver
authors: X
authors: Sidler
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D013557:Switzerland; D014730:Veterinary Medicine