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.
Manual of Dr. F. Humphreys, for the administration of medicine and cure of disease
Manual of Dr. F. Humphreys, for the administration of medicine and cure of disease