Full text
PDFPage 1104
letter . 1985 Nov;60(11):1104–1105. doi: 10.1136/adc.60.11.1104
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.