On the inhalation of the vapour of ether in surgical operations : containing a description of the various stages of etherization, and a statement of the result of nearly eighty operations in which ether has been employed in St. George's and University College Hospitals / By John Snow.

Licence: Public Domain Mark

Credit: On the inhalation of the vapour of ether in surgical operations : containing a description of the various stages of etherization, and a statement of the result of nearly eighty operations in which ether has been employed in St. George's and University College Hospitals / By John Snow. Source: Wellcome Collection.