[In memoriam Siegfried Gräff (3-22-1887--11-2-1966)].
D001634:Bibliographies as Topic; D005858:Germany; D005860:Germany, West; D049673:History, 20th Century; D010336:Pathology / Q000266:history
In memoriam Siegfried Gräff (22. 3. 1887 bis 2. 11. 1966)