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.
The relations of typhoid fever to contaminated well-water: Prof. Lattimore's report, on the chemical analysis of water from forty suspected wells : why well-water is liable to contamination
The relations of typhoid fever to contaminated well-water: Prof. Lattimore's report, on the chemical analysis of water from forty suspected wells : why well-water is liable to contamination