A fact in the natural history of children, hitherto unobserved; which explains much concerning infantile diseases and mortality.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A fact in the natural history of children, hitherto unobserved; which explains much concerning infantile diseases and mortality. Credit: 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.. Public Domain Mark