Insomnia and nerve strain / by Henry S. Upson ; with skiagraphic illustrations.

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Credit

Insomnia and nerve strain / by Henry S. Upson ; with skiagraphic illustrations. Public Domain Mark. 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.