Licence: Public Domain Mark
Credit: Entstehung und Wesen der Immunität bei Variola und Scarlatina. Source: Wellcome Collection.
Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.
20/30 (page 430)