Aperçu gratuit du livre An inquiry into the causes and effects of the variolæ vaccinæ, a disease discovered in some of the western counties of England, ... and known by the name of the cow pox. By Edward Jenner, M.D.F.R.S.&c.
An inquiry into the causes and effects of the variolæ vaccinæ, a disease discovered in some of the western counties of England, ... and known by the name of the cow pox. By Edward Jenner, M.D.F.R.S.&c.