Skip to main content
U.S. flag

An official website of the United States government

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.

Search help
3 results
  1. pdf1967-68.pdf 
    https://www.nlm.nih.gov/.../nlmarchives/annualreport/1967-68.pdf
    ... erations, 20 percent in acquisition, distribution, cataloging and reference ... equal the peak record achieved during the previous year. De- creases ...
  2. pdfNLM Annual Report of Programs and Services, 1963 
    https://www.nlm.nih.gov/.../nlmarchives/annualreport/1963.pdf
    ... non- library origin), incompleteness, or local availability. The peak load of 15,237 loan requests was reached ... when only 10,033 requests were received. The peak month for reader requests occurred in April when ...
  3. pdfNLM Technical Bulletin, no.249-257 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/249-257-1990.pdf
    ... range) and mean age was 34.2 years. Peak exposure was reported to be 210-650 ppm. ...