The elements of vital statistics / by Arthur Newsholme.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
The elements of vital statistics / by Arthur Newsholme. 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