Fig. 1
From: Historical review: a short history of German neurology – from its origins to the 1940s

Wilhelm Erb (1840–1921) [Collection Wellcome Images, Creative Commons License DD BY 4.0]
From: Historical review: a short history of German neurology – from its origins to the 1940s
Wilhelm Erb (1840–1921) [Collection Wellcome Images, Creative Commons License DD BY 4.0]