Erik von Willebrand--von Willebrand's disease.
M A
MA
Shampo
R A
RA
Kyle
D005387:Finland; D006405:Hematology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010678:Philately; D014842:von Willebrand Diseases / Q000266:history*; D014841:von Willebrand Factor / Q000266:history*
D014841:von Willebrand Factor