Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
NOTE: Because some pages have duplicate pagination while other pages have been removed from the original by the author, page ranges don't necessarily reflect the actual number of pages in this document. Page 546a has duplicate pagination. Pages 528-529, 532, 536, 542-543, and 547 have been removed.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)