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.
Interior view: a large group of school children are gathered in a room, each is holding a toothbrush and a glass of water; a woman is standing to the right.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)
Related Title(s):
Is part of: Medical inspection of schools, opp. p. 120.; (DNLM)62950680R