Diptheria [sic] : its nature, history, causes, prevention, and treatment on hygienic principles : with a resumé of the various theories and practices of the medical profession / by R.T. Trall.

Licence: Public Domain Mark

Credit: Diptheria [sic] : its nature, history, causes, prevention, and treatment on hygienic principles : with a resumé of the various theories and practices of the medical profession / by R.T. Trall. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)