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Credit
Hand-book of hygienic practice : intended as a practical guide for the sick room, arranged alphabetically, with an appendix illustrative of the hygeio-therapeutic movements / by R.T. Trall. Public Domain Mark. 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.)