Revised regulations for the government of the United States Marine-Hospital Service : approved May 20, 1889.
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Revised regulations for the government of the United States Marine-Hospital Service : approved May 20, 1889. Credit: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.. Public Domain Mark