Account of a new anaesthetic agent, as a substitute for sulphuric ether in surgery and midwifery / By J.Y. Simpson.

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Account of a new anaesthetic agent, as a substitute for sulphuric ether in surgery and midwifery / By J.Y. Simpson. Public Domain Mark. Source: Wellcome Collection.

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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.